LeetCode
LeetCode problem solutions with Python and Go.
LeetCode
Solutions to LeetCode problems with comprehensive analysis, Python and Go implementations.
Problems
| # | Problem | Difficulty | Time | Notes |
|---|---|---|---|---|
| 1 | Two Sum | 🟢 Easy | 4m | The problem gives us an integer array called nums and another integ… |
| 2 | Add Two Numbers | 🟡 Medium | 2m 35s | The problem gives us two non empty singly linked lists. Each linked… |
| 3 | Longest Substring Without Repeating Characters | 🟡 Medium | 1m 9s | The problem gives a string s and asks for the length of the longest… |
| 4 | Median of Two Sorted Arrays | 🔴 Hard | 1m 25s | The problem gives two individually sorted integer arrays, nums1 and… |
| 5 | Longest Palindromic Substring | 🟡 Medium | 3m 13s | The problem asks us to find the longest substring of a given string… |
| 6 | Zigzag Conversion | 🟡 Medium | 1m 31s | The problem asks us to transform a string into a zigzag pattern acr… |
| 7 | Reverse Integer | 🟡 Medium | 1m 15s | The problem asks us to reverse the digits of a signed 32-bit intege… |
| 8 | String to Integer (atoi) | 🟡 Medium | 1m 52s | The problem asks us to implement a simplified version of the C/C++ … |
| 9 | Palindrome Number | 🟢 Easy | 1m 47s | The problem asks us to determine whether a given integer reads the … |
| 10 | Regular Expression Matching | 🔴 Hard | 6m 5s | LeetCode 10, Regular Expression Matching, asks us to determine whet… |
| 11 | Container With Most Water | 🟡 Medium | 1m 11s | The problem gives an array called height, where each element repres… |
| 12 | Integer to Roman | 🟡 Medium | 1m 27s | The problem asks us to convert a positive integer into its Roman nu… |
| 13 | Roman to Integer | 🟢 Easy | 1m 11s | The problem gives a Roman numeral string and asks us to convert it … |
| 14 | Longest Common Prefix | 🟢 Easy | 1m 24s | The problem gives an array of strings and asks us to find the longe… |
| 15 | 3Sum | 🟡 Medium | 1m 43s | The problem gives us an integer array nums, and we need to find eve… |
| 16 | 3Sum Closest | 🟡 Medium | 1m 12s | The problem gives us an integer array nums and a target integer tar… |
| 17 | Letter Combinations of a Phone Number | 🟡 Medium | 3m 42s | The problem gives a string of digits where each digit is between 2 … |
| 18 | 4Sum | 🟡 Medium | 2m 28s | We are given an integer array nums and an integer target. The goal … |
| 19 | Remove Nth Node From End of List | 🟡 Medium | 1m 7s | This problem asks us to remove the nth node counted from the end of… |
| 20 | Valid Parentheses | 🟢 Easy | 1m 6s | The problem gives a string containing only six possible characters:… |
| 21 | Merge Two Sorted Lists | 🟢 Easy | 2m 51s | This problem asks us to merge two already sorted singly linked list… |
| 22 | Generate Parentheses | 🟡 Medium | 1m 18s | The problem asks us to generate every possible valid combination of… |
| 23 | Merge k Sorted Lists | 🔴 Hard | 1m 14s | The problem gives us an array of k sorted linked lists. Each linked… |
| 24 | Swap Nodes in Pairs | 🟡 Medium | 2m 58s | The problem gives us the head of a singly linked list and asks us t… |
| 25 | Reverse Nodes in k-Group | 🔴 Hard | 1m 46s | This problem asks us to reverse a singly linked list in groups of s… |
| 26 | Remove Duplicates from Sorted Array | 🟢 Easy | 1m 55s | The problem gives us a sorted integer array nums in non-decreasing … |
| 27 | Remove Element | 🟢 Easy | 1m 3s | The problem gives us an integer array nums and a target value val. … |
| 28 | Find the Index of the First Occurrence in a String | 🟢 Easy | 5m 54s | This problem asks us to locate the first occurrence of one string i… |
| 29 | Divide Two Integers | 🟡 Medium | 1m 29s | The problem asks us to implement integer division without using the… |
| 30 | Substring with Concatenation of All Words | 🔴 Hard | 1m 1s | The problem asks us to find all starting indices in a string s wher… |
| 31 | Next Permutation | 🟡 Medium | 1m 8s | The problem asks us to modify an integer array so that it becomes t… |
| 32 | Longest Valid Parentheses | 🔴 Hard | 1m 6s | The problem asks us to find the length of the longest contiguous su… |
| 33 | Search in Rotated Sorted Array | 🟡 Medium | 1m 14s | The problem gives us an array that was originally sorted in ascendi… |
| 34 | Find First and Last Position of Element in Sorted Array | 🟡 Medium | 1m 9s | The problem gives us a sorted integer array nums and a target value… |
| 35 | Search Insert Position | 🟢 Easy | 1m 5s | The problem gives us a sorted array of distinct integers and a targ… |
| 36 | Valid Sudoku | 🟡 Medium | 1m 21s | This problem asks us to validate whether a partially filled Sudoku … |
| 37 | Sudoku Solver | 🔴 Hard | 1m 30s | The problem asks us to build a complete Sudoku solver. We are given… |
| 38 | Count and Say | 🟡 Medium | 1m 10s | The problem asks us to generate the nth term of the "count-and-say"… |
| 39 | Combination Sum | 🟡 Medium | 1m 3s | This problem asks us to generate every possible unique combination … |
| 40 | Combination Sum II | 🟡 Medium | 1m 28s | This problem asks us to find all unique combinations of numbers fro… |
| 41 | First Missing Positive | 🔴 Hard | 1m 24s | The problem asks us to find the smallest positive integer that does… |
| 42 | Trapping Rain Water | 🔴 Hard | 1m 25s | The problem gives an array called height, where each element repres… |
| 43 | Multiply Strings | 🟡 Medium | 1m 33s | The problem asks us to multiply two non-negative integers where eac… |
| 44 | Wildcard Matching | 🔴 Hard | 1m 36s | This problem asks us to determine whether an entire input string s … |
| 45 | Jump Game II | 🟡 Medium | 1m 5s | The problem gives an array nums where each value represents the max… |
| 46 | Permutations | 🟡 Medium | 1m 15s | The problem gives us an array of distinct integers called nums, and… |
| 47 | Permutations II | 🟡 Medium | 1m 44s | The problem asks us to generate every possible permutation of the g… |
| 48 | Rotate Image | 🟡 Medium | 1m 26s | The problem gives us an n x n square matrix that represents an imag… |
| 49 | Group Anagrams | 🟡 Medium | 1m 38s | The problem asks us to group together all strings that are anagrams… |
| 50 | Pow(x, n) | 🟡 Medium | 1m 26s | The problem asks us to implement exponentiation manually, specifica… |
| 51 | N-Queens | 🔴 Hard | 3m 41s | The N-Queens problem asks us to place n queens on an n x n chessboa… |
| 52 | N-Queens II | 🔴 Hard | 1m 7s | The n-queens puzzle asks us to place n queens on an n x n chessboar… |
| 53 | Maximum Subarray | 🟡 Medium | 1m 2s | The problem gives an integer array nums and asks us to find a conti… |
| 54 | Spiral Matrix | 🟡 Medium | 1m 8s | The problem gives an m x n matrix and asks us to return all element… |
| 55 | Jump Game | 🟡 Medium | 1m 44s | The problem gives us an integer array nums, where each value repres… |
| 56 | Merge Intervals | 🟡 Medium | 1m 30s | The problem gives an array of intervals, where each interval is rep… |
| 57 | Insert Interval | 🟡 Medium | 1m 15s | The problem gives us a list of intervals that are already sorted by… |
| 58 | Length of Last Word | 🟢 Easy | 1m 14s | The problem gives us a string s that contains English letters and s… |
| 59 | Spiral Matrix II | 🟡 Medium | 1m 34s | The problem asks us to generate an n x n matrix and fill it with nu… |
| 60 | Permutation Sequence | 🔴 Hard | 5m 16s | The problem gives us the numbers from 1 to n, and asks us to find t… |
| 61 | Rotate List | 🟡 Medium | 1m 11s | This problem asks us to rotate a singly linked list to the right by… |
| 62 | Unique Paths | 🟡 Medium | 1m 3s | The problem describes a robot moving on a rectangular m x n grid. T… |
| 63 | Unique Paths II | 🟡 Medium | 1m 22s | This problem asks us to count how many different valid paths exist … |
| 64 | Minimum Path Sum | 🟡 Medium | 2m 24s | The problem gives us a two dimensional grid of size m x n, where ea… |
| 65 | Valid Number | 🔴 Hard | 2m 46s | This is a comprehensive, multi section technical guide that will be… |
| 66 | Plus One | 🟢 Easy | 2m 21s | The problem gives us a non-empty array of digits that together repr… |
| 67 | Add Binary | 🟢 Easy | 2m 25s | You are given two strings, a and b, where each string represents a … |
| 68 | Text Justification | 🔴 Hard | 1m 23s | This problem asks us to simulate how text is formatted in a text ed… |
| 69 | Sqrt(x) | 🟢 Easy | 57s | The problem asks us to compute the integer square root of a non neg… |
| 70 | Climbing Stairs | 🟢 Easy | 1m 8s | The problem describes a staircase with n total steps. You start at … |
| 71 | Simplify Path | 🟡 Medium | 1m 1s | The problem gives us an absolute Unix-style file path and asks us t… |
| 72 | Edit Distance | 🟡 Medium | 1m 37s | The problem asks us to compute the minimum number of edit operation… |
| 73 | Set Matrix Zeroes | 🟡 Medium | 1m 27s | The problem gives us a two dimensional matrix of integers with m ro… |
| 74 | Search a 2D Matrix | 🟡 Medium | 1m 36s | This problem gives us a two dimensional matrix with two very import… |
| 75 | Sort Colors | 🟡 Medium | 6m 34s | This problem asks us to sort an array that contains only three dist… |
| 76 | Minimum Window Substring | 🔴 Hard | 1m 30s | The problem asks us to find the smallest contiguous substring insid… |
| 77 | Combinations | 🟡 Medium | 1m 3s | This problem asks us to generate all possible combinations of size … |
| 78 | Subsets | 🟡 Medium | 2m 23s | This problem asks us to generate every possible subset of a given a… |
| 79 | Word Search | 🟡 Medium | 2m 21s | In this problem, we are given a two dimensional grid of characters … |
| 80 | Remove Duplicates from Sorted Array II | 🟡 Medium | 4m 7s | This problem asks us to modify a sorted integer array in-place so t… |
| 81 | Search in Rotated Sorted Array II | 🟡 Medium | 1m 10s | This problem asks us to determine whether a target value exists ins… |
| 82 | Remove Duplicates from Sorted List II | 🟡 Medium | 1m 11s | This problem asks us to process a sorted singly linked list and rem… |
| 83 | Remove Duplicates from Sorted List | 🟢 Easy | 4m 18s | This problem asks us to remove duplicate values from a sorted singl… |
| 84 | Largest Rectangle in Histogram | 🔴 Hard | 1m 12s | This problem asks us to find the largest rectangular area that can … |
| 85 | Maximal Rectangle | 🔴 Hard | 1m 23s | The problem asks us to find the area of the largest rectangle conta… |
| 86 | Partition List | 🟡 Medium | 42s | It looks like you want the full detailed solution guide, but the sp… |
| 87 | Scramble String | 🔴 Hard | 2m 21s | This problem asks us to determine whether one string can be transfo… |
| 88 | Merge Sorted Array | 🟢 Easy | 1m 33s | This problem gives us two arrays, nums1 and nums2, where both array… |
| 89 | Gray Code | 🟡 Medium | 3m 16s | The problem asks us to generate a valid Gray code sequence for a gi… |
| 90 | Subsets II | 🟡 Medium | 1m 22s | The problem asks us to generate every possible subset of a given in… |
| 91 | Decode Ways | 🟡 Medium | 1m 21s | This problem asks us to determine how many different valid ways a n… |
| 92 | Reverse Linked List II | 🟡 Medium | 1m 9s | This problem asks us to reverse only a specific portion of a singly… |
| 93 | Restore IP Addresses | 🟡 Medium | 1m 19s | The problem asks us to take a string containing only digits and det… |
| 94 | Binary Tree Inorder Traversal | 🟢 Easy | 1m 17s | This problem asks us to perform an inorder traversal on a binary tr… |
| 95 | Unique Binary Search Trees II | 🟡 Medium | 36s | The problem asks us to generate all structurally unique binary sear… |
| 96 | Unique Binary Search Trees | 🟡 Medium | 1m 8s | This problem asks us to determine how many structurally different B… |
| 97 | Interleaving String | 🟡 Medium | 1m 27s | This problem asks us to determine whether a string s3 can be formed… |
| 98 | Validate Binary Search Tree | 🟡 Medium | 1m 10s | This problem asks us to determine whether a given binary tree satis… |
| 99 | Recover Binary Search Tree | 🟡 Medium | 1m 12s | The problem gives us the root of a binary search tree, but exactly … |
| 100 | Same Tree | 🟢 Easy | 1m 39s | The problem asks us to determine whether two binary trees are exact… |
| 101 | Symmetric Tree | 🟢 Easy | 1m 25s | The problem asks us to determine whether a binary tree is symmetric… |
| 102 | Binary Tree Level Order Traversal | 🟡 Medium | 1m 30s | The problem asks us to perform a level order traversal on a binary … |
| 103 | Binary Tree Zigzag Level Order Traversal | 🟡 Medium | 1h 33m | The problem asks us to perform a level order traversal of a binary … |
| 104 | Maximum Depth of Binary Tree | 🟢 Easy | 2m 53s | The problem asks us to determine the maximum depth of a binary tree… |
| 105 | Construct Binary Tree from Preorder and Inorder Traversal | 🟡 Medium | 59s | The problem is asking us to reconstruct a binary tree given two tra… |
| 106 | Construct Binary Tree from Inorder and Postorder Traversal | 🟡 Medium | 1m 9s | The problem provides two traversal orders of the same binary tree: … |
| 107 | Binary Tree Level Order Traversal II | 🟡 Medium | 36s | The problem asks us to traverse a binary tree and return the node v… |
| 108 | Convert Sorted Array to Binary Search Tree | 🟢 Easy | 1m 22s | The problem gives us a sorted integer array nums in strictly increa… |
| 109 | Convert Sorted List to Binary Search Tree | 🟡 Medium | 1m 20s | The problem gives us the head of a singly linked list whose values … |
| 110 | Balanced Binary Tree | 🟢 Easy | 1m 11s | This problem asks us to determine whether a given binary tree is he… |
| 111 | Minimum Depth of Binary Tree | 🟢 Easy | 37s | The problem asks us to determine the minimum depth of a binary tree… |
| 112 | Path Sum | 🟢 Easy | 1m 9s | This problem asks us to determine whether a binary tree contains at… |
| 113 | Path Sum II | 🟡 Medium | 1m 17s | This problem asks us to find all root-to-leaf paths in a binary tre… |
| 114 | Flatten Binary Tree to Linked List | 🟡 Medium | 1m 11s | The problem asks us to transform a binary tree into a flattened str… |
| 115 | Distinct Subsequences | 🔴 Hard | 1m 30s | This problem asks us to count how many distinct subsequences of a s… |
| 116 | Populating Next Right Pointers in Each Node | 🟡 Medium | 53s | This problem asks us to populate the next pointers of nodes in a pe… |
| 117 | Populating Next Right Pointers in Each Node II | 🟡 Medium | 1m 8s | The problem asks us to populate the next pointer for every node in … |
| 118 | Pascal's Triangle | 🟢 Easy | 40s | The problem is asking us to generate the first numRows of Pascal's … |
| 119 | Pascal's Triangle II | 🟢 Easy | 59s | This problem asks us to return a specific row from Pascal's Triangl… |
| 120 | Triangle | 🟡 Medium | 1m 24s | The problem gives us a triangular array of integers and asks us to … |
| 121 | Best Time to Buy and Sell Stock | 🟢 Easy | 56s | This problem asks us to determine the maximum profit that can be ma… |
| 122 | Best Time to Buy and Sell Stock II | 🟡 Medium | 1m 2s | This problem asks us to maximize profit from stock trading over a s… |
| 123 | Best Time to Buy and Sell Stock III | 🔴 Hard | 46s | The problem asks us to determine the maximum profit we can earn fro… |
| 124 | Binary Tree Maximum Path Sum | 🔴 Hard | 49s | The problem is asking us to find the maximum path sum in a binary t… |
| 125 | Valid Palindrome | 🟢 Easy | 53s | This problem asks us to determine whether a given string is a palin… |
| 126 | Word Ladder II | 🔴 Hard | 1m 22s | This problem asks us to find all shortest transformation sequences … |
| 127 | Word Ladder | 🔴 Hard | 1m 19s | This problem asks us to determine the length of the shortest transf… |
| 128 | Longest Consecutive Sequence | 🟡 Medium | 59s | The problem asks us to find the length of the longest sequence of c… |
| 129 | Sum Root to Leaf Numbers | 🟡 Medium | 1m 8s | The problem gives us the root of a binary tree where every node con… |
| 130 | Surrounded Regions | 🟡 Medium | 1m 13s | The problem gives us a two dimensional grid called board, where eac… |
| 131 | Palindrome Partitioning | 🟡 Medium | 1m 11s | The problem gives us a string s and asks us to divide it into subst… |
| 132 | Palindrome Partitioning II | 🔴 Hard | 1m 41s | The problem asks us to split a string into substrings such that eve… |
| 133 | Clone Graph | 🟡 Medium | 1m 27s | This problem asks us to create a deep copy of an undirected connect… |
| 134 | Gas Station | 🟡 Medium | 1m 14s | The problem describes a circular route containing n gas stations. A… |
| 135 | Candy | 🔴 Hard | 1m 16s | This problem asks us to distribute candies to children standing in … |
| 136 | Single Number | 🟢 Easy | 1m 2s | The problem gives an integer array nums where every value appears e… |
| 137 | Single Number II | 🟡 Medium | 34s | This problem asks us to find a unique number in an array where ever… |
| 138 | Copy List with Random Pointer | 🟡 Medium | 1m 25s | This problem asks us to create a completely independent copy of a l… |
| 139 | Word Break | 🟡 Medium | 39s | The problem asks us to determine whether a given string s can be br… |
| 140 | Word Break II | 🔴 Hard | 49s | The problem asks us to segment a given string s into all possible s… |
| 141 | Linked List Cycle | 🟢 Easy | 1m 12s | This problem asks us to determine whether a singly linked list cont… |
| 142 | Linked List Cycle II | 🟡 Medium | 1m 6s | This problem asks us to determine whether a singly linked list cont… |
| 143 | Reorder List | 🟡 Medium | 1m 34s | The problem gives us the head of a singly linked list and asks us t… |
| 144 | Binary Tree Preorder Traversal | 🟢 Easy | 1m 35s | This problem asks us to return the preorder traversal of a binary t… |
| 145 | Binary Tree Postorder Traversal | 🟢 Easy | 1m 26s | The problem asks us to return the postorder traversal of a binary t… |
| 146 | LRU Cache | 🟡 Medium | 1m 24s | The problem asks us to design an efficient cache that follows the L… |
| 147 | Insertion Sort List | 🟡 Medium | 1m 23s | The problem asks us to sort a singly linked list using the insertio… |
| 148 | Sort List | 🟡 Medium | 1m 11s | The problem asks us to sort a singly linked list in ascending order… |
| 149 | Max Points on a Line | 🔴 Hard | 1m 43s | The problem gives us a list of points on a 2D coordinate plane. Eac… |
| 150 | Evaluate Reverse Polish Notation | 🟡 Medium | 1m 18s | This problem asks us to evaluate an arithmetic expression written i… |
| 151 | Reverse Words in a String | 🟡 Medium | 33s | The problem asks us to take a string s containing words separated b… |
| 152 | Maximum Product Subarray | 🟡 Medium | 1m 12s | The problem asks us to find the contiguous subarray within an integ… |
| 153 | Find Minimum in Rotated Sorted Array | 🟡 Medium | 1m | This problem asks us to find the smallest element in a sorted array… |
| 154 | Find Minimum in Rotated Sorted Array II | 🔴 Hard | 1m 1s | This problem asks us to find the minimum value in a sorted array th… |
| 155 | Min Stack | 🟡 Medium | 1m 5s | The problem asks us to design a custom stack data structure that be… |
| 156 | Binary Tree Upside Down | 🟡 Medium | 32s | The problem asks us to transform a binary tree into its "upside-dow… |
| 157 | Read N Characters Given Read4 | 🟢 Easy | 1m 13s | This problem asks us to implement a read function using a restricte… |
| 158 | Read N Characters Given read4 II - Call Multiple Times | 🔴 Hard | 1m 1s | This problem asks us to implement a read(buf, n) function using a r… |
| 159 | Longest Substring with At Most Two Distinct Characters | 🟡 Medium | 1m 12s | The problem asks us to find the length of the longest contiguous su… |
| 160 | Intersection of Two Linked Lists | 🟢 Easy | 1m 21s | This problem asks us to determine whether two singly linked lists s… |
| 161 | One Edit Distance | 🟡 Medium | 1m 7s | The problem asks us to determine whether two strings are exactly on… |
| 162 | Find Peak Element | 🟡 Medium | 1m 10s | The problem gives us an integer array nums and asks us to find the … |
| 163 | Missing Ranges | 🟢 Easy | 1m 11s | This problem gives us three inputs: - A sorted array nums - A lower… |
| 164 | Maximum Gap | 🟡 Medium | 1m 11s | The problem asks us to compute the largest difference between two c… |
| 165 | Compare Version Numbers | 🟡 Medium | 59s | This problem asks us to compare two software version numbers repres… |
| 166 | Fraction to Recurring Decimal | 🟡 Medium | 1m 5s | This problem asks us to convert a fraction, represented by an integ… |
| 167 | Two Sum II - Input Array Is Sorted | 🟡 Medium | 1m 1s | This problem gives us a sorted, 1-indexed array of integers called … |
| 168 | Excel Sheet Column Title | 🟢 Easy | 1m 23s | The problem asks us to convert a positive integer into the column n… |
| 169 | Majority Element | 🟢 Easy | 30s | The problem asks us to identify the majority element in a given arr… |
| 170 | Two Sum III - Data structure design | 🟢 Easy | 1m 6s | The problem asks us to design a data structure that supports two op… |
| 171 | Excel Sheet Column Number | 🟢 Easy | 1m 3s | This problem asks us to convert an Excel-style column title into it… |
| 172 | Factorial Trailing Zeroes | 🟡 Medium | 1m 36s | The problem asks us to determine how many trailing zeroes appear at… |
| 173 | Binary Search Tree Iterator | 🟡 Medium | 56s | It looks like your prompt accidentally concatenated two problems. I… |
| 174 | Dungeon Game | 🔴 Hard | 1m 10s | This problem asks us to determine the minimum initial health a knig… |
| 175 | Combine Two Tables | 🟢 Easy | 46s | The problem is asking us to combine two relational database tables,… |
| 176 | Second Highest Salary | 🟡 Medium | 2m 36s | This problem asks us to retrieve the second highest distinct salary… |
| 177 | Nth Highest Salary | 🟡 Medium | 1m 12s | This problem asks us to write a SQL function that returns the nth h… |
| 178 | Rank Scores | 🟡 Medium | 1m 17s | The problem gives us a database table named Scores that contains tw… |
| 179 | Largest Number | 🟡 Medium | 1m 18s | This problem asks us to rearrange a list of non-negative integers s… |
| 180 | Consecutive Numbers | 🟡 Medium | 41s | This problem asks us to find numbers in a table that appear at leas… |
| 181 | Employees Earning More Than Their Managers | 🟢 Easy | 1m 15s | This problem gives us a single database table named Employee. Each … |
| 182 | Duplicate Emails | 🟢 Easy | 2m 51s | The problem gives us a database table named Person with two columns… |
| 183 | Customers Who Never Order | 🟢 Easy | 31s | This problem is asking us to identify all customers from a Customer… |
| 184 | Department Highest Salary | 🟡 Medium | 39s | The problem asks us to find employees with the highest salary in ea… |
| 185 | Department Top Three Salaries | 🔴 Hard | 1m 12s | This is a SQL database problem where we need to identify the employ… |
| 186 | Reverse Words in a String II | 🟡 Medium | 39s | The problem asks us to reverse the order of words in a character ar… |
| 187 | Repeated DNA Sequences | 🟡 Medium | 53s | This problem asks us to find all repeated DNA subsequences of a fix… |
| 188 | Best Time to Buy and Sell Stock IV | 🔴 Hard | 39s | This problem asks us to maximize the profit from stock trading unde… |
| 189 | Rotate Array | 🟡 Medium | 50s | The problem asks us to rotate a given integer array nums to the rig… |
| 190 | Reverse Bits | 🟢 Easy | 56s | The problem asks us to reverse the binary representation of a 32-bi… |
| 191 | Number of 1 Bits | 🟢 Easy | 53s | The problem asks us to count how many bits are set to 1 in the bina… |
| 192 | Word Frequency | 🟡 Medium | 2m 21s | This problem asks us to write a shell script that reads a text file… |
| 193 | Valid Phone Numbers | 🟢 Easy | 1m 27s | This problem asks us to process a text file named file.txt and prin… |
| 194 | Transpose File | 🟡 Medium | 1m 6s | This problem asks us to transpose the contents of a text file. Tran… |
| 195 | Tenth Line | 🟢 Easy | 52s | This problem asks us to print exactly the 10th line from a text fil… |
| 196 | Delete Duplicate Emails | 🟢 Easy | 52s | This problem provides a database table named Person with two column… |
| 197 | Rising Temperature | 🟢 Easy | 3m 42s | The problem gives us a database table named Weather that stores dai… |
| 198 | House Robber | 🟡 Medium | 3m 4s | The problem describes a row of houses, where each house contains so… |
| 199 | Binary Tree Right Side View | 🟡 Medium | 1m 34s | The problem gives us the root node of a binary tree and asks us to … |
| 200 | Number of Islands | 🟡 Medium | 10m 21s | The problem gives us a two dimensional grid where each cell contain… |
| 201 | Bitwise AND of Numbers Range | 🟡 Medium | 1m 28s | The problem asks us to compute the bitwise AND of every integer in … |
| 202 | Happy Number | 🟢 Easy | 1m 19s | This problem asks us to determine whether a given positive integer … |
| 203 | Remove Linked List Elements | 🟢 Easy | 1m 48s | The problem asks us to remove every node from a singly linked list … |
| 204 | Count Primes | 🟡 Medium | 1m 27s | The problem asks us to count how many prime numbers exist that are … |
| 205 | Isomorphic Strings | 🟢 Easy | 2m 56s | The problem asks us to determine whether two strings, s and t, are … |
| 206 | Reverse Linked List | 🟢 Easy | 1m 6s | The problem asks us to reverse a singly linked list. A singly linke… |
| 207 | Course Schedule | 🟡 Medium | 1m 17s | This problem models course dependencies as a directed graph. Each c… |
| 208 | Implement Trie (Prefix Tree) | 🟡 Medium | 1m 14s | The problem asks us to design and implement a Trie, also called a P… |
| 209 | Minimum Size Subarray Sum | 🟡 Medium | 1m 17s | The problem gives us an array of positive integers called nums and … |
| 210 | Course Schedule II | 🟡 Medium | 1m 14s | This problem asks us to determine a valid order in which courses ca… |
| 211 | Design Add and Search Words Data Structure | 🟡 Medium | 3m 26s | The problem asks us to design a data structure that supports two op… |
| 212 | Word Search II | 🔴 Hard | 1m 39s | LeetCode 212, LeetCode Word Search II, asks us to find every word f… |
| 213 | House Robber II | 🟡 Medium | 1m 20s | This problem is a variation of the classic House Robber dynamic pro… |
| 214 | Shortest Palindrome | 🔴 Hard | 1m 8s | The problem gives a string s and asks us to create the shortest pos… |
| 215 | Kth Largest Element in an Array | 🟡 Medium | 3m 9s | The problem asks us to find the kth largest element in an unsorted … |
| 216 | Combination Sum III | 🟡 Medium | 2m 21s | This problem asks us to generate all unique combinations of exactly… |
| 217 | Contains Duplicate | 🟢 Easy | 2m 55s | The problem gives an integer array nums and asks whether any number… |
| 218 | The Skyline Problem | 🔴 Hard | 2m 23s | The Skyline Problem asks us to compute the visible outer contour fo… |
| 219 | Contains Duplicate II | 🟢 Easy | 2m 19s | The problem asks us to determine whether an array contains two equa… |
| 220 | Contains Duplicate III | 🔴 Hard | 3m 23s | The problem asks whether there exists a pair of different indices (… |
| 221 | Maximal Square | 🟡 Medium | 1m 25s | The problem gives us a two dimensional binary matrix where each cel… |
| 222 | Count Complete Tree Nodes | 🟢 Easy | 1m 21s | The problem asks us to count how many nodes exist in a complete bin… |
| 223 | Rectangle Area | 🟡 Medium | 1m 32s | The problem gives the coordinates of two axis-aligned rectangles on… |
| 224 | Basic Calculator | 🔴 Hard | 1m 38s | The problem gives us a string representing a mathematical expressio… |
| 225 | Implement Stack using Queues | 🟢 Easy | 2m 26s | The problem asks us to implement a stack data structure while using… |
| 226 | Invert Binary Tree | 🟢 Easy | 2m 53s | The problem gives the root node of a binary tree and asks us to inv… |
| 227 | Basic Calculator II | 🟡 Medium | 1m 21s | The problem gives us a string representing a mathematical expressio… |
| 228 | Summary Ranges | 🟢 Easy | 1m 6s | The problem gives us a sorted array of unique integers and asks us … |
| 229 | Majority Element II | 🟡 Medium | 2m 20s | The problem asks us to find every element in an integer array that … |
| 230 | Kth Smallest Element in a BST | 🟡 Medium | 1m 2s | This problem gives us the root of a Binary Search Tree, abbreviated… |
| 231 | Power of Two | 🟢 Easy | 51s | The problem asks us to determine whether a given integer n is a pow… |
| 232 | Implement Queue using Stacks | 🟢 Easy | 1m 22s | The problem asks us to implement a queue using only stack operation… |
| 233 | Number of Digit One | 🔴 Hard | 2m 2s | Given a non-negative integer n, we must count how many times the di… |
| 234 | Palindrome Linked List | 🟢 Easy | 2m 45s | The problem gives us the head of a singly linked list and asks whet… |
| 235 | Lowest Common Ancestor of a Binary Search Tree | 🟡 Medium | 1m 1s | The problem asks us to find the Lowest Common Ancestor, commonly ab… |
| 236 | Lowest Common Ancestor of a Binary Tree | 🟡 Medium | 2m 13s | The problem asks us to find the Lowest Common Ancestor, usually abb… |
| 237 | Delete Node in a Linked List | 🟡 Medium | 57s | This problem asks us to delete a node from a singly linked list, bu… |
| 238 | Product of Array Except Self | 🟡 Medium | 1m 4s | The problem gives an integer array nums, and for every index i, we … |
| 239 | Sliding Window Maximum | 🔴 Hard | 2m 34s | The problem gives us an integer array nums and a window size k. A s… |
| 240 | Search a 2D Matrix II | 🟡 Medium | 1m 16s | The problem asks us to determine whether a given integer target exi… |
| 241 | Different Ways to Add Parentheses | 🟡 Medium | 1m 12s | The problem gives us a mathematical expression as a string containi… |
| 242 | Valid Anagram | 🟢 Easy | 1m 16s | The problem asks us to determine whether two strings are anagrams o… |
| 243 | Shortest Word Distance | 🟢 Easy | 1m 17s | The problem gives us an array of strings called wordsDict, along wi… |
| 244 | Shortest Word Distance II | 🟡 Medium | 1m 25s | This problem asks us to design a reusable data structure that can e… |
| 245 | Shortest Word Distance III | 🟡 Medium | 1m 16s | The problem gives us an array of strings, wordsDict, and two target… |
| 246 | Strobogrammatic Number | 🟢 Easy | 58s | The problem asks us to determine whether a given numeric string rem… |
| 247 | Strobogrammatic Number II | 🟡 Medium | 2m 20s | The problem asks us to generate every strobogrammatic number of a g… |
| 248 | Strobogrammatic Number III | 🔴 Hard | 2m 19s | The problem asks us to count how many numbers within the inclusive … |
| 249 | Group Shifted Strings | 🟡 Medium | 2m 36s | The problem asks us to group strings that belong to the same cyclic… |
| 250 | Count Univalue Subtrees | 🟡 Medium | 1m 6s | The problem asks us to count how many subtrees in a binary tree are… |
| 251 | Flatten 2D Vector | 🟡 Medium | 1m 28s | The problem asks us to design an iterator that traverses a two dime… |
| 252 | Meeting Rooms | 🟢 Easy | 1m 3s | The problem provides a list of meeting intervals, where each interv… |
| 253 | Meeting Rooms II | 🟡 Medium | 5m 31s | The problem gives us a list of meeting intervals where each interva… |
| 254 | Factor Combinations | 🟡 Medium | 1m 20s | The problem asks us to generate every unique way to express a numbe… |
| 255 | Verify Preorder Sequence in Binary Search Tree | 🟡 Medium | 1m 25s | The problem gives an array of unique integers called preorder. This… |
| 256 | Paint House | 🟡 Medium | 1m 11s | The problem gives us a row of houses, where each house must be pain… |
| 257 | Binary Tree Paths | 🟢 Easy | 1m 17s | The problem asks us to return every path from the root of a binary … |
| 258 | Add Digits | 🟢 Easy | 1m 24s | The problem asks us to repeatedly transform a number by summing its… |
| 259 | 3Sum Smaller | 🟡 Medium | 1m 38s | The problem asks us to count how many distinct index triplets (i, j… |
| 260 | Single Number III | 🟡 Medium | 4m 36s | The problem gives an integer array nums where every value appears e… |
| 261 | Graph Valid Tree | 🟡 Medium | 1m 17s | The problem asks whether a given undirected graph forms a valid tre… |
| 262 | Trips and Users | 🔴 Hard | 1m 31s | This problem asks us to compute the daily cancellation rate for tax… |
| 263 | Ugly Number | 🟢 Easy | 1m 34s | The problem asks us to determine whether a given integer n is an ug… |
| 264 | Ugly Number II | 🟡 Medium | 1m 23s | The problem asks us to generate the sequence of ugly numbers and re… |
| 265 | Paint House II | 🔴 Hard | 1m 25s | The problem gives us a matrix called costs, where costs[i][j] repre… |
| 266 | Palindrome Permutation | 🟢 Easy | 1m 49s | The problem asks whether the characters of a given string can be re… |
| 267 | Palindrome Permutation II | 🟡 Medium | 1m 38s | The problem asks us to generate every unique palindrome that can be… |
| 268 | Missing Number | 🟢 Easy | 1m 20s | The problem gives an array nums containing n distinct integers. Eve… |
| 269 | Alien Dictionary | 🔴 Hard | 2m 28s | This problem asks us to reconstruct the ordering of characters in a… |
| 270 | Closest Binary Search Tree Value | 🟢 Easy | 1m 57s | The problem gives us the root of a Binary Search Tree, abbreviated … |
| 271 | Encode and Decode Strings | 🟡 Medium | 1m 51s | The problem asks us to design a reversible encoding system for a li… |
| 272 | Closest Binary Search Tree Value II | 🔴 Hard | 1m 30s | This problem asks us to find the k values in a Binary Search Tree, … |
| 273 | Integer to English Words | 🔴 Hard | 2m 32s | The problem asks us to convert a non-negative integer into its Engl… |
| 274 | H-Index | 🟡 Medium | 1m 17s | The problem gives an array called citations, where each element rep… |
| 275 | H-Index II | 🟡 Medium | 1m 5s | This problem asks us to compute a researcher's h-index from a sorte… |
| 276 | Paint Fence | 🟡 Medium | 58s | The problem gives us a fence with n posts and k available colors. E… |
| 277 | Find the Celebrity | 🟡 Medium | 2m 14s | This problem asks us to identify whether there is a "celebrity" amo… |
| 278 | First Bad Version | 🟢 Easy | 2m 28s | The problem gives us a sequence of product versions numbered from 1… |
| 279 | Perfect Squares | 🟡 Medium | 4m 47s | The problem asks for the minimum number of perfect square numbers w… |
| 280 | Wiggle Sort | 🟡 Medium | 1m 18s | The problem asks us to rearrange an integer array so that it follow… |
| 281 | Zigzag Iterator | 🟡 Medium | 1m 23s | The problem asks us to design an iterator that alternates between t… |
| 282 | Expression Add Operators | 🔴 Hard | 1m 30s | The problem gives us a numeric string num and an integer target. We… |
| 283 | Move Zeroes | 🟢 Easy | 1m 46s | The problem gives us an integer array nums and asks us to move ever… |
| 284 | Peeking Iterator | 🟡 Medium | 2m 44s | The problem asks us to extend the functionality of a standard itera… |
| 285 | Inorder Successor in BST | 🟡 Medium | 3m 5s | This problem asks us to find the in-order successor of a given node… |
| 286 | Walls and Gates | 🟡 Medium | 1m 23s | The problem gives us a 2D grid called rooms, where each cell repres… |
| 287 | Find the Duplicate Number | 🟡 Medium | 1m 38s | The problem gives us an integer array nums of length n + 1, where e… |
| 288 | Unique Word Abbreviation | 🟡 Medium | 6m 40s | The problem asks us to design a data structure that determines whet… |
| 289 | Game of Life | 🟡 Medium | 1m 20s | The problem asks us to simulate one iteration of Conway's Game of L… |
| 290 | Word Pattern | 🟢 Easy | 1m 10s | The problem gives two inputs: a pattern string and a space-separate… |
| 291 | Word Pattern II | 🟡 Medium | 4m 16s | The problem asks us to determine whether a given string s can be fo… |
| 292 | Nim Game | 🟢 Easy | 2m 19s | The problem describes a two-player game involving a single heap of … |
| 293 | Flip Game | 🟢 Easy | 2m 20s | This problem is asking us to simulate a single move in a simple two… |
| 294 | Flip Game II | 🟡 Medium | 1m 47s | This problem describes a two-player impartial game played on a stri… |
| 295 | Find Median from Data Stream | 🔴 Hard | 1m 33s | The problem asks us to design a data structure that continuously re… |
| 296 | Best Meeting Point | 🔴 Hard | 2m 19s | The problem gives us a two-dimensional binary grid where each cell … |
| 297 | Serialize and Deserialize Binary Tree | 🔴 Hard | 4m 52s | The problem asks us to design two complementary operations for a bi… |
| 298 | Binary Tree Longest Consecutive Sequence | 🟡 Medium | 3m 30s | The problem asks us to find the length of the longest consecutive s… |
| 299 | Bulls and Cows | 🟡 Medium | 1m 3s | The problem gives two strings, secret and guess, representing two n… |
| 300 | Longest Increasing Subsequence | 🟡 Medium | 1m 18s | The problem asks us to find the length of the longest strictly incr… |
| 301 | Remove Invalid Parentheses | 🔴 Hard | 2m 59s | The problem asks us to remove the minimum number of invalid parenth… |
| 302 | Smallest Rectangle Enclosing Black Pixels | 🔴 Hard | 2m 44s | This problem gives us a binary matrix where each cell contains eith… |
| 303 | Range Sum Query - Immutable | 🟢 Easy | 1m 22s | The problem asks us to design a data structure that supports effici… |
| 304 | Range Sum Query 2D - Immutable | 🟡 Medium | 2m 23s | The problem asks us to design a data structure that can efficiently… |
| 305 | Number of Islands II | 🔴 Hard | 1m 26s | The problem gives us an initially empty m x n grid where every cell… |
| 306 | Additive Number | 🟡 Medium | 1m 24s | The problem asks us to determine whether a given string of digits c… |
| 307 | Range Sum Query - Mutable | 🟡 Medium | 2m 22s | The problem asks us to design a mutable range sum data structure. W… |
| 308 | Range Sum Query 2D - Mutable | 🟡 Medium | 2m 21s | The problem asks us to design a mutable 2D range sum data structure… |
| 309 | Best Time to Buy and Sell Stock with Cooldown | 🟡 Medium | 6m 31s | This problem asks us to maximize profit from stock trading under a … |
| 310 | Minimum Height Trees | 🟡 Medium | 7m 25s | This problem gives us an undirected tree with n nodes labeled from … |
| 311 | Sparse Matrix Multiplication | 🟡 Medium | 1m 43s | This problem asks us to multiply two matrices, but with an importan… |
| 312 | Burst Balloons | 🔴 Hard | 3m 25s | The problem gives us an array nums, where each element represents a… |
| 313 | Super Ugly Number | 🟡 Medium | 3m 19s | This problem asks us to find the nth number in a special sequence c… |
| 314 | Binary Tree Vertical Order Traversal | 🟡 Medium | 1m 11s | The problem asks us to group the nodes of a binary tree by their ve… |
| 315 | Count of Smaller Numbers After Self | 🔴 Hard | 1m 19s | The problem asks us to compute, for every element in the array, how… |
| 316 | Remove Duplicate Letters | 🟡 Medium | 1m 2s | This problem asks us to construct a new string from the input strin… |
| 317 | Shortest Distance from All Buildings | 🔴 Hard | 51s | The problem asks us to find the optimal location to build a house o… |
| 318 | Maximum Product of Word Lengths | 🟡 Medium | 1m 2s | The problem gives us an array of lowercase English words. We need t… |
| 319 | Bulb Switcher | 🟡 Medium | 1m 9s | The problem describes a sequence of n bulbs, all initially turned o… |
| 320 | Generalized Abbreviation | 🟡 Medium | 1m 3s | This problem asks us to generate every possible generalized abbrevi… |
| 321 | Create Maximum Number | 🔴 Hard | 1m 29s | This problem asks us to build the lexicographically largest possibl… |
| 322 | Coin Change | 🟡 Medium | 1m 9s | The problem gives us an array called coins, where each element repr… |
| 323 | Number of Connected Components in an Undirected Graph | 🟡 Medium | 1m 15s | The problem asks us to determine how many connected components exis… |
| 324 | Wiggle Sort II | 🟡 Medium | 1m 10s | The problem asks us to rearrange an array so that it follows a stri… |
| 325 | Maximum Size Subarray Sum Equals k | 🟡 Medium | 1m 13s | The problem asks us to find the longest contiguous subarray whose s… |
| 326 | Power of Three | 🟢 Easy | 1m 11s | The problem asks us to determine whether a given integer n can be r… |
| 327 | Count of Range Sum | 🔴 Hard | 1m 15s | This problem asks us to count how many subarrays have sums that fal… |
| 328 | Odd Even Linked List | 🟡 Medium | 1m 16s | This problem asks us to reorder a singly linked list so that all no… |
| 329 | Longest Increasing Path in a Matrix | 🔴 Hard | 1m 33s | The problem gives us a two-dimensional grid of integers called matr… |
| 330 | Patching Array | 🔴 Hard | 59s | The problem gives us a sorted array of positive integers, nums, and… |
| 331 | Verify Preorder Serialization of a Binary Tree | 🟡 Medium | 1m 8s | The problem gives us a string that represents the preorder serializ… |
| 332 | Reconstruct Itinerary | 🔴 Hard | 1m 4s | The problem is asking us to reconstruct a flight itinerary given a … |
| 333 | Largest BST Subtree | 🟡 Medium | 1m 41s | The problem gives us the root of an arbitrary binary tree and asks … |
| 334 | Increasing Triplet Subsequence | 🟡 Medium | 1m 13s | The problem asks us to determine whether an array contains three nu… |
| 335 | Self Crossing | 🔴 Hard | 1m 17s | The problem describes a path traced on a two-dimensional grid. We b… |
| 336 | Palindrome Pairs | 🔴 Hard | 1m 5s | The problem gives us a list of unique strings called words. We must… |
| 337 | House Robber III | 🟡 Medium | 1m 3s | This problem is a variation of the classic House Robber dynamic pro… |
| 338 | Counting Bits | 🟢 Easy | 1m 4s | The problem asks us to compute the number of set bits, also called … |
| 339 | Nested List Weight Sum | 🟡 Medium | 1m 1s | This problem gives us a special nested data structure called Nested… |
| 340 | Longest Substring with At Most K Distinct Characters | 🟡 Medium | 1m 1s | The problem asks us to find the length of the longest contiguous su… |
| 341 | Flatten Nested List Iterator | 🟡 Medium | 1m 18s | This problem asks us to design an iterator that can traverse a deep… |
| 342 | Power of Four | 🟢 Easy | 1m 10s | This problem asks us to determine whether a given integer n is an e… |
| 343 | Integer Break | 🟡 Medium | 1m 37s | The problem asks us to split a positive integer n into the sum of a… |
| 344 | Reverse String | 🟢 Easy | 1m 1s | The problem asks us to reverse a string that is represented as an a… |
| 345 | Reverse Vowels of a String | 🟢 Easy | 57s | The problem asks us to reverse only the vowels in a string while le… |
| 346 | Moving Average from Data Stream | 🟢 Easy | 50s | The problem asks us to design a data structure that continuously re… |
| 347 | Top K Frequent Elements | 🟡 Medium | 1m 10s | The problem asks us to return the k most frequently occurring eleme… |
| 348 | Design Tic-Tac-Toe | 🟡 Medium | 1m 22s | The problem asks us to design a data structure that simulates an n … |
| 349 | Intersection of Two Arrays | 🟢 Easy | 1m 6s | The problem gives us two integer arrays, nums1 and nums2, and asks … |
| 350 | Intersection of Two Arrays II | 🟢 Easy | 1m 6s | The problem asks us to find the intersection of two integer arrays,… |
| 351 | Android Unlock Patterns | 🟡 Medium | 1m 25s | The problem models the Android lock screen as a 3 x 3 grid containi… |
| 352 | Data Stream as Disjoint Intervals | 🔴 Hard | 1m 20s | This problem asks us to process a stream of non-negative integers a… |
| 353 | Design Snake Game | 🟡 Medium | 1m 23s | The problem asks us to design a mutable data structure that simulat… |
| 354 | Russian Doll Envelopes | 🔴 Hard | 1m 8s | The problem gives a list of envelopes, where each envelope is repre… |
| 355 | Design Twitter | 🟡 Medium | 1m 29s | This problem asks us to design a simplified version of a social med… |
| 356 | Line Reflection | 🟡 Medium | 1m 9s | The problem gives us a collection of points on a 2D plane, where ea… |
| 357 | Count Numbers with Unique Digits | 🟡 Medium | 1m | The problem asks us to count how many integers in the range 0 <= x … |
| 358 | Rearrange String k Distance Apart | 🔴 Hard | 1m 32s | The problem gives us a string s and an integer k. We must rearrange… |
| 359 | Logger Rate Limiter | 🟢 Easy | 1m 6s | The problem asks us to design a logging system that controls how fr… |
| 360 | Sort Transformed Array | 🟡 Medium | 1m 18s | The problem gives us a sorted integer array nums and a quadratic tr… |
| 361 | Bomb Enemy | 🟡 Medium | 33s | The problem presents an m x n matrix called grid where each element… |
| 362 | Design Hit Counter | 🟡 Medium | 1m 25s | The problem asks us to design a data structure that tracks how many… |
| 363 | Max Sum of Rectangle No Larger Than K | 🔴 Hard | 1m 43s | The problem asks us to find the rectangular submatrix whose sum is … |
| 364 | Nested List Weight Sum II | 🟡 Medium | 1m 36s | The problem gives us a nested list structure where each element can… |
| 365 | Water and Jug Problem | 🟡 Medium | 1m 20s | The problem gives us two water jugs with capacities x and y. We can… |
| 366 | Find Leaves of Binary Tree | 🟡 Medium | 1m 13s | The problem asks us to repeatedly remove all leaf nodes from a bina… |
| 367 | Valid Perfect Square | 🟢 Easy | 1m 7s | The problem asks us to determine whether a given positive integer n… |
| 368 | Largest Divisible Subset | 🟡 Medium | 1m 27s | The problem gives us an array of distinct positive integers and ask… |
| 369 | Plus One Linked List | 🟡 Medium | 47s | The problem requires us to add one to a non-negative integer that i… |
| 370 | Range Addition | 🟡 Medium | 1m 26s | The problem gives us an initially zero-filled array of size length.… |
| 371 | Sum of Two Integers | 🟡 Medium | 1m | The problem asks us to compute the sum of two integers without usin… |
| 372 | Super Pow | 🟡 Medium | 1m 18s | The problem asks us to compute: The complication is that the expone… |
| 373 | Find K Pairs with Smallest Sums | 🟡 Medium | 1m 28s | The problem gives us two sorted integer arrays, nums1 and nums2, an… |
| 374 | Guess Number Higher or Lower | 🟢 Easy | 1m 13s | The problem describes a classic interactive guessing game. A hidden… |
| 375 | Guess Number Higher or Lower II | 🟡 Medium | 34s | This problem is a variant of the classic number guessing game with … |
| 376 | Wiggle Subsequence | 🟡 Medium | 1m 9s | The problem asks us to find the length of the longest subsequence i… |
| 377 | Combination Sum IV | 🟡 Medium | 1m 15s | The problem gives us an array of distinct positive integers called … |
| 378 | Kth Smallest Element in a Sorted Matrix | 🟡 Medium | 1m 18s | The problem gives us an n x n matrix where both rows and columns ar… |
| 379 | Design Phone Directory | 🟡 Medium | 1m 11s | The problem asks us to design a data structure that manages a fixed… |
| 380 | Insert Delete GetRandom O(1) | 🟡 Medium | 1m 19s | This problem asks us to design a custom data structure called Rando… |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | 🔴 Hard | 1m 28s | The problem asks us to design a data structure called RandomizedCol… |
| 382 | Linked List Random Node | 🟡 Medium | 1m 19s | The problem gives us the head of a singly linked list and asks us t… |
| 383 | Ransom Note | 🟢 Easy | 1m 12s | This problem asks whether it is possible to construct the string ra… |
| 384 | Shuffle an Array | 🟡 Medium | 1m 15s | The problem asks us to design a data structure that supports two op… |
| 385 | Mini Parser | 🟡 Medium | 1m 32s | The problem gives us a string representation of a nested integer st… |
| 386 | Lexicographical Numbers | 🟡 Medium | 1m 22s | The problem asks us to generate all integers from 1 to n, but not i… |
| 387 | First Unique Character in a String | 🟢 Easy | 1m 1s | The problem gives us a string s consisting only of lowercase Englis… |
| 388 | Longest Absolute File Path | 🟡 Medium | 1m 27s | The problem gives us a string representation of a file system hiera… |
| 389 | Find the Difference | 🟢 Easy | 47s | This problem gives us two strings, s and t. The string t is created… |
| 390 | Elimination Game | 🟡 Medium | 1m 6s | The problem gives us a sorted list containing every integer from 1 … |
| 391 | Perfect Rectangle | 🔴 Hard | 1m 33s | This problem asks whether a collection of smaller axis-aligned rect… |
| 392 | Is Subsequence | 🟢 Easy | 1m 8s | The problem asks whether string s can be formed from string t by de… |
| 393 | UTF-8 Validation | 🟡 Medium | 1m 4s | The problem asks us to determine whether a sequence of integers rep… |
| 394 | Decode String | 🟡 Medium | 1m 15s | The problem gives us a string that contains encoded patterns of the… |
| 395 | Longest Substring with At Least K Repeating Characters | 🟡 Medium | 1m 14s | The problem asks us to find the length of the longest substring in … |
| 396 | Rotate Function | 🟡 Medium | 1m 19s | The problem defines a special value called the rotation function fo… |
| 397 | Integer Replacement | 🟡 Medium | 1m 19s | The problem gives us a positive integer n and asks for the minimum … |
| 398 | Random Pick Index | 🟡 Medium | 1m 11s | The problem gives us an integer array nums that may contain duplica… |
| 399 | Evaluate Division | 🟡 Medium | 1m 24s | This problem gives us a collection of equations between variables, … |
| 400 | Nth Digit | 🟡 Medium | 1m 15s | The problem asks us to find the digit that appears at position n in… |
| 401 | Binary Watch | 🟢 Easy | 1m 17s | The problem describes a binary watch that uses LEDs to represent ti… |
| 402 | Remove K Digits | 🟡 Medium | 1m 26s | The problem gives us a numeric string num and an integer k. We must… |
| 403 | Frog Jump | 🔴 Hard | 1m 17s | The problem describes a frog trying to cross a river by jumping acr… |
| 404 | Sum of Left Leaves | 🟢 Easy | 1m 4s | The problem gives us the root node of a binary tree and asks us to … |
| 405 | Convert a Number to Hexadecimal | 🟢 Easy | 40s | The problem asks us to convert a given 32-bit integer num into its … |
| 406 | Queue Reconstruction by Height | 🟡 Medium | 1m 5s | This problem gives us a list of people where each person is represe… |
| 407 | Trapping Rain Water II | 🔴 Hard | 1m 22s | This problem is the two dimensional version of the classic "Trappin… |
| 408 | Valid Word Abbreviation | 🟢 Easy | 1m 26s | In this problem, we are given two strings: - word, the original ful… |
| 409 | Longest Palindrome | 🟢 Easy | 38s | The problem asks us to find the length of the longest palindrome th… |
| 410 | Split Array Largest Sum | 🔴 Hard | 1m 22s | The problem gives an integer array nums and an integer k. We must d… |
| 411 | Minimum Unique Word Abbreviation | 🔴 Hard | 1m 10s | This problem asks us to generate the shortest possible abbreviation… |
| 412 | Fizz Buzz | 🟢 Easy | 1m 27s | The problem asks us to generate a list of strings for all integers … |
| 413 | Arithmetic Slices | 🟡 Medium | 1m 24s | The problem asks us to count how many contiguous subarrays of lengt… |
| 414 | Third Maximum Number | 🟢 Easy | 1m 23s | The problem asks us to find the third distinct maximum number in an… |
| 415 | Add Strings | 🟢 Easy | 1m 10s | The problem asks us to add two non-negative integers where each int… |
| 416 | Partition Equal Subset Sum | 🟡 Medium | 1m 4s | The problem asks whether an array of positive integers can be divid… |
| 417 | Pacific Atlantic Water Flow | 🟡 Medium | 1m 24s | The problem gives us a rectangular grid called heights, where each … |
| 418 | Sentence Screen Fitting | 🟡 Medium | 1m 7s | The problem gives us a screen with a fixed number of rows and cols,… |
| 419 | Battleships in a Board | 🟡 Medium | 1m | This problem gives us a two dimensional grid where each cell contai… |
| 420 | Strong Password Checker | 🔴 Hard | 1m 21s | The problem asks us to determine the minimum number of operations r… |
| 421 | Maximum XOR of Two Numbers in an Array | 🟡 Medium | 1m 29s | The problem gives us an array of non-negative integers called nums.… |
| 422 | Valid Word Square | 🟢 Easy | 30s | The problem asks us to determine whether a given list of strings fo… |
| 423 | Reconstruct Original Digits from English | 🟡 Medium | 40s | The problem asks us to reconstruct digits from a jumbled string of … |
| 424 | Longest Repeating Character Replacement | 🟡 Medium | 1m 15s | The problem gives us a string s consisting only of uppercase Englis… |
| 425 | Word Squares | 🔴 Hard | 39s | The problem is asking us to generate all possible word squares from… |
| 426 | Convert Binary Search Tree to Sorted Doubly Linked List | 🟡 Medium | 1m 8s | The problem asks us to transform a Binary Search Tree, abbreviated … |
| 427 | Construct Quad Tree | 🟡 Medium | 1m 23s | The problem asks us to convert a binary matrix into a Quad-Tree rep… |
| 428 | Serialize and Deserialize N-ary Tree | 🔴 Hard | 1m 24s | LeetCode 428, LeetCode Serialize and Deserialize N-ary Tree, asks u… |
| 429 | N-ary Tree Level Order Traversal | 🟡 Medium | 40s | The problem asks us to perform a level order traversal of an n-ary … |
| 430 | Flatten a Multilevel Doubly Linked List | 🟡 Medium | 1m 24s | The problem gives us a special type of doubly linked list where eve… |
| 431 | Encode N-ary Tree to Binary Tree | 🔴 Hard | 1m 29s | This problem asks us to design a reversible transformation between … |
| 432 | All O`one Data Structure | 🔴 Hard | 1m 24s | The problem asks us to design a special data structure that stores … |
| 433 | Minimum Genetic Mutation | 🟡 Medium | 1m 34s | The problem describes a mutation process between genetic sequences.… |
| 434 | Number of Segments in a String | 🟢 Easy | 1m 1s | The problem asks us to count how many separate word-like groups exi… |
| 435 | Non-overlapping Intervals | 🟡 Medium | 1m 28s | The problem gives an array of intervals where each interval is repr… |
| 436 | Find Right Interval | 🟡 Medium | 44s | This problem asks us to find, for each interval in a list, the "rig… |
| 437 | Path Sum III | 🟡 Medium | 1m 11s | The problem gives us the root of a binary tree and an integer targe… |
| 438 | Find All Anagrams in a String | 🟡 Medium | 1m 21s | The problem gives two strings, s and p, both containing only lowerc… |
| 439 | Ternary Expression Parser | 🟡 Medium | 1m 16s | The problem gives us a string representing a nested ternary express… |
| 440 | K-th Smallest in Lexicographical Order | 🔴 Hard | 1m 19s | The problem asks us to find the k-th smallest number in lexicograph… |
| 441 | Arranging Coins | 🟢 Easy | 1m 9s | The problem asks us to determine how many complete rows of a coin s… |
| 442 | Find All Duplicates in an Array | 🟡 Medium | 1m 10s | The problem gives us an integer array nums of length n, where every… |
| 443 | String Compression | 🟡 Medium | 1m 4s | The problem asks us to perform in place string compression on an ar… |
| 444 | Sequence Reconstruction | 🟡 Medium | 1m 21s | This problem asks us to determine whether the given array nums is b… |
| 445 | Add Two Numbers II | 🟡 Medium | 1m 12s | The problem gives us two non-empty singly linked lists where each n… |
| 446 | Arithmetic Slices II - Subsequence | 🔴 Hard | 1m 20s | The problem asks us to count how many arithmetic subsequences exist… |
| 447 | Number of Boomerangs | 🟡 Medium | 1m 20s | The problem asks us to count the number of valid boomerangs among a… |
| 448 | Find All Numbers Disappeared in an Array | 🟢 Easy | 54s | The problem asks us to find all the integers in the range [1, n] th… |
| 449 | Serialize and Deserialize BST | 🟡 Medium | 1m 8s | The problem asks us to design two operations for a Binary Search Tr… |
| 450 | Delete Node in a BST | 🟡 Medium | 1m 29s | The problem asks us to delete a node with a specific value, key, fr… |
| 451 | Sort Characters By Frequency | 🟡 Medium | 54s | The problem asks us to rearrange the characters of a string so that… |
| 452 | Minimum Number of Arrows to Burst Balloons | 🟡 Medium | 41s | This problem is asking us to determine the minimum number of vertic… |
| 453 | Minimum Moves to Equal Array Elements | 🟡 Medium | 44s | The problem gives an integer array nums with n elements. In a singl… |
| 454 | 4Sum II | 🟡 Medium | 1m 13s | The problem gives four integer arrays, nums1, nums2, nums3, and num… |
| 455 | Assign Cookies | 🟢 Easy | 48s | This problem asks us to maximize the number of children who can be … |
| 456 | 132 Pattern | 🟡 Medium | 1m 19s | The problem asks us to determine whether an array contains a specif… |
| 457 | Circular Array Loop | 🟡 Medium | 1m 25s | This problem asks us to determine whether a circular array contains… |
| 458 | Poor Pigs | 🔴 Hard | 57s | The problem gives us a set of buckets where exactly one bucket cont… |
| 459 | Repeated Substring Pattern | 🟢 Easy | 48s | The problem asks us to determine whether a given string can be form… |
| 460 | LFU Cache | 🔴 Hard | 1m 11s | The problem asks us to design a cache that supports two operations:… |
| 461 | Hamming Distance | 🟢 Easy | 46s | The problem asks us to compute the Hamming distance between two int… |
| 462 | Minimum Moves to Equal Array Elements II | 🟡 Medium | 53s | This problem asks us to determine the minimum number of moves requi… |
| 463 | Island Perimeter | 🟢 Easy | 32s | The problem asks us to calculate the perimeter of an island represe… |
| 464 | Can I Win | 🟡 Medium | 56s | This problem describes a two-player turn-based game. Players take t… |
| 465 | Optimal Account Balancing | 🔴 Hard | 1m 33s | The problem gives a list of money transfers between people. Each tr… |
| 466 | Count The Repetitions | 🔴 Hard | 34s | The problem asks us to find the maximum number of times a string st… |
| 467 | Unique Substrings in Wraparound String | 🟡 Medium | 1m 16s | The problem defines an infinite cyclic string built from the lowerc… |
| 468 | Validate IP Address | 🟡 Medium | 1m 19s | The problem asks us to determine whether a given string represents … |
| 469 | Convex Polygon | 🟡 Medium | 1m 6s | The problem gives us a sequence of points on a 2D plane. These poin… |
| 470 | Implement Rand10() Using Rand7() | 🟡 Medium | 1m 19s | The problem provides access to a single API, rand7(), which returns… |
| 471 | Encode String with Shortest Length | 🔴 Hard | 48s | Here’s a fully detailed technical solution guide following your req… |
| 472 | Concatenated Words | 🔴 Hard | 39s | The problem asks us to identify all words in a given list that can … |
| 473 | Matchsticks to Square | 🟡 Medium | 1m 15s | The problem gives us an array called matchsticks, where each elemen… |
| 474 | Ones and Zeroes | 🟡 Medium | 1m 13s | This problem asks us to select the largest possible subset of binar… |
| 475 | Heaters | 🟡 Medium | 54s | The problem gives two arrays, houses and heaters, where each value … |
| 476 | Number Complement | 🟢 Easy | 56s | The problem asks us to compute the complement of a positive integer… |
| 477 | Total Hamming Distance | 🟡 Medium | 1m 11s | The problem asks us to compute the total Hamming distance between e… |
| 478 | Generate Random Point in a Circle | 🟡 Medium | 1m 23s | This problem asks us to generate random points uniformly inside a c… |
| 479 | Largest Palindrome Product | 🔴 Hard | 1m 14s | The problem asks us to find the largest palindrome number that can … |
| 480 | Sliding Window Median | 🔴 Hard | 1m 32s | The problem asks us to compute the median for every contiguous suba… |
| 481 | Magical String | 🟡 Medium | 1m 26s | This problem defines a special infinite sequence called the magical… |
| 482 | License Key Formatting | 🟢 Easy | 1m 10s | The problem gives us a string s that represents a license key. The … |
| 483 | Smallest Good Base | 🔴 Hard | 57s | The problem is asking us to find the smallest integer k = 2 such th… |
| 484 | Find Permutation | 🟡 Medium | 1m 9s | The problem gives us a string s consisting only of the characters '… |
| 485 | Max Consecutive Ones | 🟢 Easy | 57s | The problem gives us a binary array named nums, where every element… |
| 486 | Predict the Winner | 🟡 Medium | 1m 9s | The problem describes a two-player game played on an integer array.… |
| 487 | Max Consecutive Ones II | 🟡 Medium | 1m | The problem gives us a binary array nums, where every element is ei… |
| 488 | Zuma Game | 🔴 Hard | 1m 24s | The problem models a recursive elimination game played on a row of … |
| 489 | Robot Room Cleaner | 🔴 Hard | 1m 7s | This problem is an interactive backtracking problem where we must c… |
| 490 | The Maze | 🟡 Medium | 1m 22s | This problem asks us to determine whether a rolling ball can stop e… |
| 491 | Non-decreasing Subsequences | 🟡 Medium | 2m 43s | The problem gives us an integer array nums and asks us to return ev… |
| 492 | Construct the Rectangle | 🟢 Easy | 43s | The problem gives us a single integer, area, which represents the a… |
| 493 | Reverse Pairs | 🔴 Hard | 59s | The problem asks us to count how many pairs of indices (i, j) satis… |
| 494 | Target Sum | 🟡 Medium | 1m 9s | The problem asks us to count how many different ways we can assign … |
| 495 | Teemo Attacking | 🟢 Easy | 34s | The problem asks us to calculate the total duration that Ashe is po… |
| 496 | Next Greater Element I | 🟢 Easy | 55s | The problem is asking us to find the next greater element for each … |
| 497 | Random Point in Non-overlapping Rectangles | 🟡 Medium | 32s | The problem asks us to randomly pick an integer point from a set of… |
| 498 | Diagonal Traverse | 🟡 Medium | 1m 30s | This problem asks us to traverse a matrix in a specific diagonal pa… |
| 499 | The Maze III | 🔴 Hard | 2m 15s | This problem extends the mechanics introduced in earlier Maze probl… |
| 500 | Keyboard Row | 🟢 Easy | 1m | This problem asks us to determine which words in a given list can b… |
| 501 | Find Mode in Binary Search Tree | 🟢 Easy | 55s | This problem asks us to find the mode(s) in a Binary Search Tree (B… |
| 502 | IPO | 🔴 Hard | 1m 16s | The problem describes a scenario where we have a limited number of … |
| 503 | Next Greater Element II | 🟡 Medium | 1m 20s | The problem gives us a circular array nums, and for every element, … |
| 504 | Base 7 | 🟢 Easy | 38s | The problem asks us to convert a given integer num into its represe… |
| 505 | The Maze II | 🟡 Medium | 35s | This problem presents a maze represented as a 2D grid of size m x n… |
| 506 | Relative Ranks | 🟢 Easy | 1m 2s | The problem gives us an array named score, where each element repre… |
| 507 | Perfect Number | 🟢 Easy | 52s | This problem asks us to determine whether a given positive integer … |
| 508 | Most Frequent Subtree Sum | 🟡 Medium | 1m 7s | The problem asks us to compute the subtree sum for every node in a … |
| 509 | Fibonacci Number | 🟢 Easy | 56s | This problem asks us to compute the nth Fibonacci number. The Fibon… |
| 510 | Inorder Successor in BST II | 🟡 Medium | 1m 14s | This problem asks us to find the in-order successor of a given node… |
| 511 | Game Play Analysis I | 🟢 Easy | 1m 6s | This problem asks us to determine the first day each player logged … |
| 512 | Game Play Analysis II | 🟢 Easy | 3m 3s | The problem provides a database table named Activity. Each row repr… |
| 513 | Find Bottom Left Tree Value | 🟡 Medium | 49s | The problem asks us to find the leftmost value in the last row of a… |
| 514 | Freedom Trail | 🔴 Hard | 1m 22s | The problem models a circular dial, represented by the string ring,… |
| 515 | Find Largest Value in Each Tree Row | 🟡 Medium | 44s | The problem asks us to find the largest value in each row of a bina… |
| 516 | Longest Palindromic Subsequence | 🟡 Medium | 42s | The problem asks us to determine the length of the longest palindro… |
| 517 | Super Washing Machines | 🔴 Hard | 1m 56s | The problem gives us a line of washing machines, where each machine… |
| 518 | Coin Change II | 🟡 Medium | 1m 19s | This problem asks us to compute the number of distinct combinations… |
| 519 | Random Flip Matrix | 🟡 Medium | 3m 39s | The problem gives us an m x n matrix where every cell initially con… |
| 520 | Detect Capital | 🟢 Easy | 1m 21s | --- [LeetCode Problem 520](https://leetcode.com/problems/detect-cap… |
| 521 | Longest Uncommon Subsequence I | 🟢 Easy | 51s | The problem asks us to find the length of the longest uncommon subs… |
| 522 | Longest Uncommon Subsequence II | 🟡 Medium | 53s | The problem asks us to find the length of the longest string in the… |
| 523 | Continuous Subarray Sum | 🟡 Medium | 1m 7s | The problem asks us to determine whether an array contains a contin… |
| 524 | Longest Word in Dictionary through Deleting | 🟡 Medium | 57s | The problem gives us a source string s and a list of candidate word… |
| 525 | Contiguous Array | 🟡 Medium | 1m 24s | This problem asks us to find the maximum length of a contiguous sub… |
| 526 | Beautiful Arrangement | 🟡 Medium | 1m 9s | The problem asks us to count how many permutations of the integers … |
| 527 | Word Abbreviation | 🔴 Hard | 19m 21s | The problem asks us to compute minimal unique abbreviations for an … |
| 528 | Random Pick with Weight | 🟡 Medium | 52s | The problem asks us to design a data structure that supports weight… |
| 529 | Minesweeper | 🟡 Medium | 1m 9s | This problem asks us to simulate one move in the classic Minesweepe… |
| 530 | Minimum Absolute Difference in BST | 🟢 Easy | 1m 47s | This problem gives us the root node of a Binary Search Tree, abbrev… |
| 531 | Lonely Pixel I | 🟡 Medium | 1m 7s | The problem gives us a 2D grid called picture, where each cell cont… |
| 532 | K-diff Pairs in an Array | 🟡 Medium | 54s | The problem asks us to count how many unique pairs of integers in t… |
| 533 | Lonely Pixel II | 🟡 Medium | 2m 6s | The problem gives us a matrix called picture, where each cell conta… |
| 534 | Game Play Analysis III | 🟡 Medium | 33s | The problem is asking us to track cumulative game activity for each… |
| 535 | Encode and Decode TinyURL | 🟡 Medium | 40s | The problem asks us to implement a URL shortening service, similar … |
| 536 | Construct Binary Tree from String | 🟡 Medium | 1m 2s | This problem asks us to reconstruct a binary tree from a specially … |
| 537 | Complex Number Multiplication | 🟡 Medium | 50s | This problem asks us to multiply two complex numbers represented as… |
| 538 | Convert BST to Greater Tree | 🟡 Medium | 1m 6s | This problem asks us to transform a Binary Search Tree, abbreviated… |
| 539 | Minimum Time Difference | 🟡 Medium | 5m 19s | The problem gives a list of time points in 24-hour clock format, wh… |
| 540 | Single Element in a Sorted Array | 🟡 Medium | 2m 19s | The problem gives us a sorted integer array where every value appea… |
| 541 | Reverse String II | 🟢 Easy | 1m 22s | The problem requires us to manipulate a string s in a structured wa… |
| 542 | 01 Matrix | 🟡 Medium | 1m 8s | This problem gives us an m x n binary matrix where every cell conta… |
| 543 | Diameter of Binary Tree | 🟢 Easy | 1m 26s | The problem asks us to compute the diameter of a binary tree. The d… |
| 544 | Output Contest Matches | 🟡 Medium | 1m 5s | The problem asks us to simulate the structure of a playoff tourname… |
| 545 | Boundary of Binary Tree | 🟡 Medium | 1m 9s | This problem asks us to compute the boundary traversal of a binary … |
| 546 | Remove Boxes | 🔴 Hard | 1m 24s | The problem gives us an array called boxes, where each integer repr… |
| 547 | Number of Provinces | 🟡 Medium | 1m 52s | The problem is asking us to determine the number of provinces in a … |
| 548 | Split Array with Equal Sum | 🔴 Hard | 37s | The problem asks us to determine whether an integer array nums can … |
| 549 | Binary Tree Longest Consecutive Sequence II | 🟡 Medium | 1m 21s | This problem asks us to find the length of the longest consecutive … |
| 550 | Game Play Analysis IV | 🟡 Medium | 2m 24s | This problem is asking us to calculate a retention metric from a ta… |
| 551 | Student Attendance Record I | 🟢 Easy | 3m 32s | The problem gives us a string s where each character represents a s… |
| 552 | Student Attendance Record II | 🔴 Hard | 1m 10s | The problem asks us to count how many attendance records of length … |
| 553 | Optimal Division | 🟡 Medium | 1m 46s | The problem gives us an array of positive integers, and the array e… |
| 554 | Brick Wall | 🟡 Medium | 1m 11s | The problem gives us a wall made of multiple rows of bricks. Each r… |
| 555 | Split Concatenated Strings | 🟡 Medium | 1m 21s | The problem gives an array of strings, and we must arrange them int… |
| 556 | Next Greater Element III | 🟡 Medium | 1m 5s | This problem asks us to find the smallest integer that is strictly … |
| 557 | Reverse Words in a String III | 🟢 Easy | 47s | The problem requires reversing the characters of each individual wo… |
| 558 | Logical OR of Two Binary Grids Represented as Quad-Trees | 🟡 Medium | 1m 27s | This problem gives us two Quad-Trees, where each tree represents a … |
| 559 | Maximum Depth of N-ary Tree | 🟢 Easy | 1m 18s | The problem asks us to compute the maximum depth of an n-ary tree. … |
| 560 | Subarray Sum Equals K | 🟡 Medium | 1m 3s | The problem asks us to count how many contiguous, non-empty subarra… |
| 561 | Array Partition | 🟢 Easy | 1m 6s | The problem gives an array nums containing 2n integers. Our task is… |
| 562 | Longest Line of Consecutive One in Matrix | 🟡 Medium | 1m 13s | The problem gives us a binary matrix mat of size m x n, where every… |
| 563 | Binary Tree Tilt | 🟢 Easy | 1m 7s | The problem asks us to compute the total tilt of an entire binary t… |
| 564 | Find the Closest Palindrome | 🔴 Hard | 1m 29s | The problem gives us a string n representing a positive integer, an… |
| 565 | Array Nesting | 🟡 Medium | 2m 41s | The problem gives us an array nums that is guaranteed to be a permu… |
| 566 | Reshape the Matrix | 🟢 Easy | 40s | The problem is asking us to take an existing m x n matrix and "resh… |
| 567 | Permutation in String | 🟡 Medium | 3m 37s | This problem asks us to determine whether any permutation of s1 app… |
| 568 | Maximum Vacation Days | 🔴 Hard | 1m 11s | This problem asks us to maximize the total number of vacation days … |
| 569 | Median Employee Salary | 🔴 Hard | 1m 12s | The problem gives us an Employee table containing three columns: Co… |
| 570 | Managers with at Least 5 Direct Reports | 🟡 Medium | 1m 8s | The Employee table represents a company hierarchy. Every row corres… |
| 571 | Find Median Given Frequency of Numbers | 🔴 Hard | 2m 31s | This problem provides a compressed representation of a dataset inst… |
| 572 | Subtree of Another Tree | 🟢 Easy | 1m 12s | This problem asks us to determine whether one binary tree appears a… |
| 573 | Squirrel Simulation | 🟡 Medium | 1m 6s | This problem models a squirrel collecting nuts in a 2D garden grid.… |
| 574 | Winning Candidate | 🟡 Medium | 1m 12s | This problem provides two database tables, Candidate and Vote, and … |
| 575 | Distribute Candies | 🟢 Easy | 1m 46s | This problem asks us to maximize the number of distinct candy types… |
| 576 | Out of Boundary Paths | 🟡 Medium | 1m 10s | This problem asks us to count how many different ways a ball can le… |
| 577 | Employee Bonus | 🟢 Easy | 55s | In this problem, we are given two database tables, Employee and Bon… |
| 578 | Get Highest Answer Rate Question | 🟡 Medium | 1m 16s | This problem asks us to analyze user interaction data stored in the… |
| 579 | Find Cumulative Salary of an Employee | 🔴 Hard | 41s | This problem asks us to compute a cumulative salary summary for eac… |
| 580 | Count Student Number in Departments | 🟡 Medium | 29s | This problem asks us to determine how many students are enrolled in… |
| 581 | Shortest Unsorted Continuous Subarray | 🟡 Medium | 1m 9s | The problem gives an integer array nums and asks for the length of … |
| 582 | Kill Process | 🟡 Medium | 1m 27s | This problem models processes in an operating system as a tree stru… |
| 583 | Delete Operation for Two Strings | 🟡 Medium | 40s | The problem asks us to determine the minimum number of deletion ste… |
| 584 | Find Customer Referee | 🟢 Easy | 40s | The problem provides a Customer table with three columns: id, name,… |
| 585 | Investments in 2016 | 🟡 Medium | 32s | Here’s a full, detailed technical solution guide for LeetCode 585 f… |
| 586 | Customer Placing the Largest Number of Orders | 🟢 Easy | 59s | The problem gives us a database table named Orders with two columns… |
| 587 | Erect the Fence | 🔴 Hard | 42s | This problem is asking us to find the convex hull of a set of point… |
| 588 | Design In-Memory File System | 🔴 Hard | 44s | The problem asks us to design an in-memory file system that simulat… |
| 589 | N-ary Tree Preorder Traversal | 🟢 Easy | 43s | The problem asks for a preorder traversal of an n-ary tree. In a pr… |
| 590 | N-ary Tree Postorder Traversal | 🟢 Easy | 1m 14s | This problem asks us to perform a postorder traversal on an n-ary t… |
| 591 | Tag Validator | 🔴 Hard | 1m 31s | This problem asks us to validate whether a given string represents … |
| 592 | Fraction Addition and Subtraction | 🟡 Medium | 43s | The problem requires computing the result of a mathematical express… |
| 593 | Valid Square | 🟡 Medium | 1m 11s | The problem gives four points in a 2D coordinate system and asks wh… |
| 594 | Longest Harmonious Subsequence | 🟢 Easy | 38s | The problem asks us to find the length of the longest harmonious su… |
| 595 | Big Countries | 🟢 Easy | 1m 6s | This problem asks us to query a database table named World and retu… |
| 596 | Classes With at Least 5 Students | 🟢 Easy | 39s | This problem is asking us to find classes in a school database that… |
| 597 | Friend Requests I: Overall Acceptance Rate | 🟢 Easy | 1m 16s | This problem asks us to compute the overall acceptance rate of frie… |
| 598 | Range Addition II | 🟢 Easy | 34s | The problem presents an m x n matrix M initialized with all zeros. … |
| 599 | Minimum Index Sum of Two Lists | 🟢 Easy | 33s | This problem is asking us to find the common elements between two l… |
| 600 | Non-negative Integers without Consecutive Ones | 🔴 Hard | 2m 16s | That is a long-form technical guide request with multiple required … |
| 601 | Human Traffic of Stadium | 🔴 Hard | 1m 42s | The problem asks us to extract all consecutive records from a Stadi… |
| 602 | Friend Requests II: Who Has the Most Friends | 🟡 Medium | 1m 10s | The problem gives us a database table named RequestAccepted, where … |
| 603 | Consecutive Available Seats | 🟢 Easy | 1m 24s | The problem gives us a database table named Cinema with two columns… |
| 604 | Design Compressed String Iterator | 🟢 Easy | 33s | This problem asks us to implement a compressed string iterator. We … |
| 605 | Can Place Flowers | 🟢 Easy | 56s | The problem gives us a binary array called flowerbed, where: - 0 re… |
| 606 | Construct String from Binary Tree | 🟡 Medium | 1m 10s | This problem asks us to convert a binary tree into a string using a… |
| 607 | Sales Person | 🟢 Easy | 48s | This problem asks us to find the names of all salespeople who have … |
| 608 | Tree Node | 🟡 Medium | 1m 44s | This problem gives us a database table named Tree, where each row r… |
| 609 | Find Duplicate File in System | 🟡 Medium | 58s | The problem gives us a list of directory descriptions, where each s… |
| 610 | Triangle Judgement | 🟢 Easy | 36s | The problem is asking us to determine, for each row in a table call… |
| 611 | Valid Triangle Number | 🟡 Medium | 44s | The problem asks us to determine how many triplets from a given int… |
| 612 | Shortest Distance in a Plane | 🟡 Medium | 57s | This problem gives us a database table named Point2D, where every r… |
| 613 | Shortest Distance in a Line | 🟢 Easy | 1m 8s | This problem gives us a database table named Point that contains in… |
| 614 | Second Degree Follower | 🟡 Medium | 34s | This problem asks us to identify second-degree followers from a soc… |
| 615 | Average Salary: Departments VS Company | 🔴 Hard | 1m | This problem asks us to compare the average salary of each departme… |
| 616 | Add Bold Tag in String | 🟡 Medium | 58s | The problem asks us to insert HTML-style bold tags into a string wh… |
| 617 | Merge Two Binary Trees | 🟢 Easy | 1m 13s | This problem asks us to combine two binary trees into a single merg… |
| 618 | Students Report By Geography | 🔴 Hard | 30s | The problem asks us to transform a table of student names and their… |
| 619 | Biggest Single Number | 🟢 Easy | 52s | The problem gives us a database table named MyNumbers that contains… |
| 620 | Not Boring Movies | 🟢 Easy | 36s | The problem is asking us to query a database table called Cinema an… |
| 621 | Task Scheduler | 🟡 Medium | 51s | The Task Scheduler problem asks us to determine the minimum number … |
| 622 | Design Circular Queue | 🟡 Medium | 52s | The problem asks us to implement a circular queue, a fixed-size que… |
| 623 | Add One Row to Tree | 🟡 Medium | 44s | The problem asks us to modify a binary tree by adding a new row of … |
| 624 | Maximum Distance in Arrays | 🟡 Medium | 38s | The problem presents a list of m arrays, each individually sorted i… |
| 625 | Minimum Factorization | 🟡 Medium | 1m 3s | The problem asks us to find the smallest positive integer x such th… |
| 626 | Exchange Seats | 🟡 Medium | 41s | This problem asks us to swap the seat IDs of every two consecutive … |
| 627 | Swap Sex of Employees | 🟢 Easy | 42s | The problem is asking us to swap the sex values of all employees in… |
| 628 | Maximum Product of Three Numbers | 🟢 Easy | 58s | The problem gives an integer array nums and asks us to select exact… |
| 629 | K Inverse Pairs Array | 🔴 Hard | 34s | Here’s a full technical solution guide following your formatting ru… |
| 630 | Course Schedule III | 🔴 Hard | 1m 18s | The problem gives a list of online courses, where each course is re… |
| 631 | Design Excel Sum Formula | 🔴 Hard | 1m 11s | The problem asks us to design a miniature spreadsheet system simila… |
| 632 | Smallest Range Covering Elements from K Lists | 🔴 Hard | 1m 16s | The problem gives us k sorted integer lists, and we must find the s… |
| 633 | Sum of Square Numbers | 🟡 Medium | 1m 2s | The problem gives a non-negative integer c and asks whether it can … |
| 634 | Find the Derangement of An Array | 🟡 Medium | 56s | The problem asks us to count how many permutations of the numbers 1… |
| 635 | Design Log Storage System | 🟡 Medium | 35s | The problem is asking us to design a log storage system that suppor… |
| 636 | Exclusive Time of Functions | 🟡 Medium | 1m 7s | This problem models how functions execute on a single-threaded CPU.… |
| 637 | Average of Levels in Binary Tree | 🟢 Easy | 1m 10s | In this problem, we are given the root node of a binary tree, and w… |
| 638 | Shopping Offers | 🟡 Medium | 34s | This problem asks us to find the minimum cost to buy a set of items… |
| 639 | Decode Ways II | 🔴 Hard | 42s | The problem asks us to determine the number of ways an encoded stri… |
| 640 | Solve the Equation | 🟡 Medium | 41s | The problem is asking us to solve a linear equation containing a si… |
| 641 | Design Circular Deque | 🟡 Medium | 1m 7s | The problem asks us to design a circular double-ended queue, also c… |
| 642 | Design Search Autocomplete System | 🔴 Hard | 1m 18s | The problem asks us to design an autocomplete system that behaves s… |
| 643 | Maximum Average Subarray I | 🟢 Easy | 47s | The problem asks us to find the maximum average value among all con… |
| 644 | Maximum Average Subarray II | 🔴 Hard | 1m 5s | The problem asks us to find the maximum possible average value amon… |
| 645 | Set Mismatch | 🟢 Easy | 59s | The problem describes a corrupted set of integers. Originally, the … |
| 646 | Maximum Length of Pair Chain | 🟡 Medium | 1m 12s | The problem gives us an array of integer pairs, where each pair rep… |
| 647 | Palindromic Substrings | 🟡 Medium | 1m | The problem asks us to count how many palindromic substrings exist … |
| 648 | Replace Words | 🟡 Medium | 56s | The problem asks us to replace words in a sentence using a set of p… |
| 649 | Dota2 Senate | 🟡 Medium | 1m 5s | The problem describes a turn-based voting process between two parti… |
| 650 | 2 Keys Keyboard | 🟡 Medium | 57s | The problem is asking for the minimum number of operations required… |
| 651 | 4 Keys Keyboard | 🟡 Medium | 57s | The problem gives us a keyboard with four operations: - Press A, wh… |
| 652 | Find Duplicate Subtrees | 🟡 Medium | 1m 16s | The problem gives us the root of a binary tree and asks us to ident… |
| 653 | Two Sum IV - Input is a BST | 🟢 Easy | 1m 1s | This problem gives us the root of a Binary Search Tree (BST) and an… |
| 654 | Maximum Binary Tree | 🟡 Medium | 30s | The problem asks us to construct a maximum binary tree from a given… |
| 655 | Print Binary Tree | 🟡 Medium | 1m 5s | The problem asks us to transform a binary tree into a formatted 2D … |
| 656 | Coin Path | 🔴 Hard | 1m 19s | This problem asks us to find the cheapest valid path through an arr… |
| 657 | Robot Return to Origin | 🟢 Easy | 42s | This problem asks us to determine whether a robot, starting at the … |
| 658 | Find K Closest Elements | 🟡 Medium | 55s | The problem gives us a sorted integer array arr, along with two int… |
| 659 | Split Array into Consecutive Subsequences | 🟡 Medium | 1m 19s | The problem gives us a sorted integer array nums, and asks whether … |
| 660 | Remove 9 | 🔴 Hard | 1m 16s | The problem defines a modified sequence of positive integers where … |
| 661 | Image Smoother | 🟢 Easy | 45s | The problem is asking us to implement an image smoother, a filter t… |
| 662 | Maximum Width of Binary Tree | 🟡 Medium | 1m 8s | The problem asks us to compute the maximum width among all levels o… |
| 663 | Equal Tree Partition | 🟡 Medium | 1m 15s | The problem asks whether it is possible to split a binary tree into… |
| 664 | Strange Printer | 🔴 Hard | 55s | The problem describes a "strange printer" that can print sequences … |
| 665 | Non-decreasing Array | 🟡 Medium | 37s | The problem asks whether it is possible to transform a given intege… |
| 666 | Path Sum IV | 🟡 Medium | 1m 10s | This problem encodes a binary tree into a compact array of three-di… |
| 667 | Beautiful Arrangement II | 🟡 Medium | 1m 12s | The problem asks us to construct a permutation of the integers from… |
| 668 | Kth Smallest Number in Multiplication Table | 🔴 Hard | 1m 12s | The problem gives us an m x n multiplication table where each cell … |
| 669 | Trim a Binary Search Tree | 🟡 Medium | 1m 8s | LeetCode 669, Trim a Binary Search Tree, asks us to modify a binary… |
| 670 | Maximum Swap | 🟡 Medium | 38s | The problem asks us to take an integer num and find the maximum num… |
| 671 | Second Minimum Node In a Binary Tree | 🟢 Easy | 38s | The problem provides a special binary tree where each node either h… |
| 672 | Bulb Switcher II | 🟡 Medium | 1m 14s | The problem describes a room containing n light bulbs, where every … |
| 673 | Number of Longest Increasing Subsequence | 🟡 Medium | 1m 4s | The problem asks us to determine how many longest strictly increasi… |
| 674 | Longest Continuous Increasing Subsequence | 🟢 Easy | 1m 2s | The problem asks us to find the length of the longest strictly incr… |
| 675 | Cut Off Trees for Golf Event | 🔴 Hard | 1m 23s | The problem gives us a two dimensional grid representing a forest. … |
| 676 | Implement Magic Dictionary | 🟡 Medium | 1m 11s | The problem asks us to design a dictionary-like data structure that… |
| 677 | Map Sum Pairs | 🟡 Medium | 1m 7s | The problem asks us to design a custom data structure that behaves … |
| 678 | Valid Parenthesis String | 🟡 Medium | 32s | This problem is asking whether a string containing the characters '… |
| 679 | 24 Game | 🔴 Hard | 40s | The problem is asking us to determine whether it is possible to use… |
| 680 | Valid Palindrome II | 🟢 Easy | 59s | The problem asks whether a given string s can become a palindrome a… |
| 681 | Next Closest Time | 🟡 Medium | 1m 14s | The problem gives us a valid time string in the format "HH:MM" and … |
| 682 | Baseball Game | 🟢 Easy | 58s | This problem asks us to simulate a baseball scoring system with a s… |
| 683 | K Empty Slots | 🔴 Hard | 33s | Let's go through a complete, detailed technical solution guide for … |
| 684 | Redundant Connection | 🟡 Medium | 32s | The problem is asking us to identify a redundant edge in a graph th… |
| 685 | Redundant Connection II | 🔴 Hard | 38s | The problem asks us to identify a redundant edge in a directed grap… |
| 686 | Repeated String Match | 🟡 Medium | 34s | The problem asks us to determine the minimum number of times a stri… |
| 687 | Longest Univalue Path | 🟡 Medium | 1m 1s | This problem asks us to find the longest path in a binary tree wher… |
| 688 | Knight Probability in Chessboard | 🟡 Medium | 1m 23s | The problem asks us to compute the probability that a chess knight … |
| 689 | Maximum Sum of 3 Non-Overlapping Subarrays | 🔴 Hard | 1m 21s | The problem asks us to select exactly three non-overlapping subarra… |
| 690 | Employee Importance | 🟡 Medium | 1m 15s | The problem provides a collection of employees where each employee … |
| 691 | Stickers to Spell Word | 🔴 Hard | 34s | Let's dive deep into a detailed technical solution guide for LeetCo… |
| 692 | Top K Frequent Words | 🟡 Medium | 1m 16s | The problem gives us an array of strings called words and an intege… |
| 693 | Binary Number with Alternating Bits | 🟢 Easy | 41s | The problem asks us to determine whether the binary representation … |
| 694 | Number of Distinct Islands | 🟡 Medium | 1m 20s | The problem gives us a binary matrix called grid, where each cell c… |
| 695 | Max Area of Island | 🟡 Medium | 31s | The problem is asking us to find the largest connected area of land… |
| 696 | Count Binary Substrings | 🟢 Easy | 1m | The problem gives us a binary string, meaning the string contains o… |
| 697 | Degree of an Array | 🟢 Easy | 46s | The problem asks us to find the shortest contiguous subarray of an … |
| 698 | Partition to K Equal Sum Subsets | 🟡 Medium | 44s | The problem is asking whether an array of integers nums can be divi… |
| 699 | Falling Squares | 🔴 Hard | 1m 15s | The problem describes a simulation of squares falling onto the X-ax… |
| 700 | Search in a Binary Search Tree | 🟢 Easy | 1m 12s | This problem gives us the root node of a Binary Search Tree, common… |
| 701 | Insert into a Binary Search Tree | 🟡 Medium | 1m 18s | This problem asks us to insert a new value into an existing Binary … |
| 702 | Search in a Sorted Array of Unknown Size | 🟡 Medium | 1m 21s | This problem asks us to search for a target value inside a sorted a… |
| 703 | Kth Largest Element in a Stream | 🟢 Easy | 27s | The problem asks us to design a data structure that continuously tr… |
| 704 | Binary Search | 🟢 Easy | 39s | This problem gives us a sorted array of integers named nums and a t… |
| 705 | Design HashSet | 🟢 Easy | 1m 39s | The problem asks us to design our own HashSet implementation withou… |
| 706 | Design HashMap | 🟢 Easy | 38s | The problem requires us to implement a HashMap from scratch without… |
| 707 | Design Linked List | 🟡 Medium | 1m 14s | This problem asks us to implement our own linked list data structur… |
| 708 | Insert into a Sorted Circular Linked List | 🟡 Medium | 47s | Let's go step by step and create a complete technical solution guid… |
| 709 | To Lower Case | 🟢 Easy | 55s | The problem asks us to convert every uppercase English letter in a … |
| 710 | Random Pick with Blacklist | 🔴 Hard | 1m 18s | The problem asks us to design a data structure that can repeatedly … |
| 711 | Number of Distinct Islands II | 🔴 Hard | 1m 36s | In this problem, we are given a binary matrix where each cell conta… |
| 712 | Minimum ASCII Delete Sum for Two Strings | 🟡 Medium | 1m 28s | The problem gives us two strings, s1 and s2, and asks us to make th… |
| 713 | Subarray Product Less Than K | 🟡 Medium | 1m 28s | The problem asks us to count how many contiguous subarrays of a giv… |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | 🟡 Medium | 1m 11s | This problem asks us to maximize profit from stock trading over a s… |
| 715 | Range Module | 🔴 Hard | 1m 21s | This problem asks us to design a data structure that dynamically tr… |
| 716 | Max Stack | 🔴 Hard | 37s | The problem asks us to design a stack data structure, MaxStack, whi… |
| 717 | 1-bit and 2-bit Characters | 🟢 Easy | 1m 11s | In this problem, we are given a binary array called bits. The array… |
| 718 | Maximum Length of Repeated Subarray | 🟡 Medium | 1m 15s | The problem asks us to find the longest contiguous subarray that ap… |
| 719 | Find K-th Smallest Pair Distance | 🔴 Hard | 1m 6s | This problem asks us to find the k-th smallest distance among every… |
| 720 | Longest Word in Dictionary | 🟡 Medium | 1m 22s | This problem gives us an array of lowercase English words and asks … |
| 721 | Accounts Merge | 🟡 Medium | 1m 14s | This problem asks us to merge user accounts based on shared email a… |
| 722 | Remove Comments | 🟡 Medium | 43s | The problem asks us to remove comments from a C++ program represent… |
| 723 | Candy Crush | 🟡 Medium | 39s | This problem is essentially a simulation of the Candy Crush game, w… |
| 724 | Find Pivot Index | 🟢 Easy | 1m 4s | The problem asks us to find an index in the array such that the sum… |
| 725 | Split Linked List in Parts | 🟡 Medium | 1m | The problem gives us the head of a singly linked list and an intege… |
| 726 | Number of Atoms | 🔴 Hard | 39s | This problem asks us to parse a chemical formula represented as a s… |
| 727 | Minimum Window Subsequence | 🔴 Hard | 1m 31s | This problem asks us to find the smallest contiguous substring of s… |
| 728 | Self Dividing Numbers | 🟢 Easy | 1m 17s | The problem asks us to find all numbers within a given inclusive ra… |
| 729 | My Calendar I | 🟡 Medium | 1m 6s | The problem asks us to design a calendar system that supports booki… |
| 730 | Count Different Palindromic Subsequences | 🔴 Hard | 1m 23s | This problem asks us to count how many distinct non-empty palindrom… |
| 731 | My Calendar II | 🟡 Medium | 1m 14s | The problem asks us to design a calendar system that supports booki… |
| 732 | My Calendar III | 🔴 Hard | 1m 19s | This problem asks us to design a calendar system that supports addi… |
| 733 | Flood Fill | 🟢 Easy | 41s | The problem is asking us to simulate a flood fill operation on a 2D… |
| 734 | Sentence Similarity | 🟢 Easy | 1m 9s | The problem gives us two sentences, where each sentence is represen… |
| 735 | Asteroid Collision | 🟡 Medium | 1m 23s | The problem gives us a list of integers representing asteroids movi… |
| 736 | Parse Lisp Expression | 🔴 Hard | 1m 24s | The problem asks us to evaluate a Lisp-like expression represented … |
| 737 | Sentence Similarity II | 🟡 Medium | 1m 17s | This problem asks us to determine whether two sentences are conside… |
| 738 | Monotone Increasing Digits | 🟡 Medium | 1m 16s | The problem asks us to find the largest integer less than or equal … |
| 739 | Daily Temperatures | 🟡 Medium | 1m 18s | The problem gives an array called temperatures, where each element … |
| 740 | Delete and Earn | 🟡 Medium | 1m 10s | The problem gives us an integer array nums, and we want to maximize… |
| 741 | Cherry Pickup | 🔴 Hard | 1m 30s | This problem asks us to collect the maximum possible number of cher… |
| 742 | Closest Leaf in a Binary Tree | 🟡 Medium | 38s | The problem asks us to find the closest leaf node to a given target… |
| 743 | Network Delay Time | 🟡 Medium | 1m 7s | This problem models a directed weighted graph. Each node represents… |
| 744 | Find Smallest Letter Greater Than Target | 🟢 Easy | 1m 8s | The problem gives us a sorted array of lowercase English letters an… |
| 745 | Prefix and Suffix Search | 🔴 Hard | 1m 16s | The problem asks us to design a data structure that supports effici… |
| 746 | Min Cost Climbing Stairs | 🟢 Easy | 52s | This problem gives us an array named cost, where each element repre… |
| 747 | Largest Number At Least Twice of Others | 🟢 Easy | 1m 1s | The problem gives us an integer array nums in which the largest val… |
| 748 | Shortest Completing Word | 🟢 Easy | 1m 7s | The problem gives us a string called licensePlate and an array of c… |
| 749 | Contain Virus | 🔴 Hard | 1m 26s | This problem models the spread of a virus on a two-dimensional grid… |
| 750 | Number Of Corner Rectangles | 🟡 Medium | 57s | The problem asks us to count the number of corner rectangles in a b… |
| 751 | IP to CIDR | 🟡 Medium | 39s | This problem is asking us to take a starting IPv4 address and a num… |
| 752 | Open the Lock | 🟡 Medium | 30s | The problem presents a lock with four wheels, each wheel labeled fr… |
| 753 | Cracking the Safe | 🔴 Hard | 1m 11s | This problem asks us to generate the shortest possible string that … |
| 754 | Reach a Number | 🟡 Medium | 38s | The problem asks us to find the minimum number of moves required to… |
| 755 | Pour Water | 🟡 Medium | 1m 42s | This problem asks us to simulate how water droplets behave when pou… |
| 756 | Pyramid Transition Matrix | 🟡 Medium | 1m 31s | Here’s a full, detailed technical solution guide for LeetCode 756 -… |
| 757 | Set Intersection Size At Least Two | 🔴 Hard | 43s | The problem asks us to find the minimum size of a set of integers, … |
| 758 | Bold Words in String | 🟡 Medium | 1m 25s | The problem gives us two inputs: an array of strings called words, … |
| 759 | Employee Free Time | 🔴 Hard | 56s | The problem asks us to determine common free time intervals for a g… |
| 760 | Find Anagram Mappings | 🟢 Easy | 1m 24s | The problem asks us to build an index mapping from nums1 to nums2, … |
| 761 | Special Binary String | 🔴 Hard | 44s | The problem asks us to manipulate a special binary string to produc… |
| 762 | Prime Number of Set Bits in Binary Representation | 🟢 Easy | 47s | The problem requires counting the numbers within a given inclusive … |
| 763 | Partition Labels | 🟡 Medium | 43s | The problem is asking us to partition a string s into as many conti… |
| 764 | Largest Plus Sign | 🟡 Medium | 1m 12s | This problem asks us to find the largest axis-aligned plus sign mad… |
| 765 | Couples Holding Hands | 🔴 Hard | 1m 11s | This problem gives us a row of seats represented by the array row, … |
| 766 | Toeplitz Matrix | 🟢 Easy | 1m 4s | The problem asks us to determine whether a given matrix satisfies t… |
| 767 | Reorganize String | 🟡 Medium | 55s | The problem asks us to rearrange the characters of a given string s… |
| 768 | Max Chunks To Make Sorted II | 🔴 Hard | 1m 9s | The problem asks us to partition an array into the maximum possible… |
| 769 | Max Chunks To Make Sorted | 🟡 Medium | 41s | This problem is asking us to determine the maximum number of contig… |
| 770 | Basic Calculator IV | 🔴 Hard | 42s | The problem requires parsing and evaluating a mathematical expressi… |
| 771 | Jewels and Stones | 🟢 Easy | 1m 3s | In this problem, we are given two strings, jewels and stones. The s… |
| 772 | Basic Calculator III | 🔴 Hard | 1m 21s | This problem asks us to evaluate a mathematical expression represen… |
| 773 | Sliding Puzzle | 🔴 Hard | 45s | The Sliding Puzzle problem presents a 2 x 3 board containing five n… |
| 774 | Minimize Max Distance to Gas Station | 🔴 Hard | 1m 10s | The problem gives us a sorted array called stations, where each val… |
| 775 | Global and Local Inversions | 🟡 Medium | 40s | The problem presents an array nums of length n that is a permutatio… |
| 776 | Split BST | 🟡 Medium | 45s | The problem asks us to split a binary search tree (BST) into two se… |
| 777 | Swap Adjacent in LR String | 🟡 Medium | 1m 20s | The problem gives us two strings, start and result, both consisting… |
| 778 | Swim in Rising Water | 🔴 Hard | 1m 19s | In this problem, we are given an n x n grid where each cell contain… |
| 779 | K-th Symbol in Grammar | 🟡 Medium | 1m 2s | The problem defines a special binary grammar sequence that grows ro… |
| 780 | Reaching Points | 🔴 Hard | 40s | The problem asks whether it is possible to transform a starting poi… |
| 781 | Rabbits in Forest | 🟡 Medium | 56s | In this problem, every rabbit tells us how many other rabbits share… |
| 782 | Transform to Chessboard | 🔴 Hard | 1m 28s | This problem gives us an n x n binary matrix called board, where ev… |
| 783 | Minimum Distance Between BST Nodes | 🟢 Easy | 45s | The problem asks us to find the minimum difference between values o… |
| 784 | Letter Case Permutation | 🟡 Medium | 1m 6s | The problem asks us to generate every possible string that can be f… |
| 785 | Is Graph Bipartite? | 🟡 Medium | 39s | The problem asks whether a given undirected graph is bipartite. In … |
| 786 | K-th Smallest Prime Fraction | 🟡 Medium | 43s | The problem asks us to find the k-th smallest fraction that can be … |
| 787 | Cheapest Flights Within K Stops | 🟡 Medium | 56s | Here’s a complete, detailed technical solution guide for LeetCode 7… |
| 788 | Rotated Digits | 🟡 Medium | 1m 13s | The problem asks us to count the number of good integers within a g… |
| 789 | Escape The Ghosts | 🟡 Medium | 1m 40s | This problem takes place on an infinite two dimensional grid. You b… |
| 790 | Domino and Tromino Tiling | 🟡 Medium | 41s | The problem asks us to compute the number of ways to completely til… |
| 791 | Custom Sort String | 🟡 Medium | 1m 22s | The problem gives us two strings, order and s. The string order def… |
| 792 | Number of Matching Subsequences | 🟡 Medium | 57s | The problem asks us to count how many words in a given list are sub… |
| 793 | Preimage Size of Factorial Zeroes Function | 🔴 Hard | 53s | This problem asks us to determine how many non-negative integers x … |
| 794 | Valid Tic-Tac-Toe State | 🟡 Medium | 1m 6s | This problem asks us to determine whether a given Tic-Tac-Toe board… |
| 795 | Number of Subarrays with Bounded Maximum | 🟡 Medium | 1m | The problem asks us to count how many contiguous, non-empty subarra… |
| 796 | Rotate String | 🟢 Easy | 59s | The problem asks us to determine whether one string can be transfor… |
| 797 | All Paths From Source to Target | 🟡 Medium | 58s | The problem gives us a directed acyclic graph, usually abbreviated … |
| 798 | Smallest Rotation with Highest Score | 🔴 Hard | 33s | The problem asks us to determine the optimal rotation of an array n… |
| 799 | Champagne Tower | 🟡 Medium | 33s | The problem asks us to simulate a process of pouring champagne into… |
| 800 | Similar RGB Color | 🟢 Easy | 39s | The problem is asking us to find the shorthand RGB color that is mo… |
| 801 | Minimum Swaps To Make Sequences Increasing | 🔴 Hard | 47s | The problem gives us two arrays, nums1 and nums2, both of the same … |
| 802 | Find Eventual Safe States | 🟡 Medium | 1m 10s | This problem gives us a directed graph represented as an adjacency … |
| 803 | Bricks Falling When Hit | 🔴 Hard | 1m 24s | This problem asks us to simulate a sequence of brick removals in a … |
| 804 | Unique Morse Code Words | 🟢 Easy | 58s | The problem asks us to determine how many unique Morse code transfo… |
| 805 | Split Array With Same Average | 🔴 Hard | 2m 8s | The problem asks whether we can divide the given array nums into tw… |
| 806 | Number of Lines To Write String | 🟢 Easy | 43s | This problem is asking us to determine how to write a string s on m… |
| 807 | Max Increase to Keep City Skyline | 🟡 Medium | 1m 16s | This problem gives us an n x n grid where each cell represents the … |
| 808 | Soup Servings | 🟡 Medium | 1m 16s | The problem gives us two soups, A and B, each starting with exactly… |
| 809 | Expressive Words | 🟡 Medium | 1m 27s | The problem asks us to determine how many words in the words array … |
| 810 | Chalkboard XOR Game | 🔴 Hard | 53s | This problem describes a two player game played on an array of inte… |
| 811 | Subdomain Visit Count | 🟡 Medium | 1m 5s | In this problem, we are given a list of strings where each string r… |
| 812 | Largest Triangle Area | 🟢 Easy | 51s | The problem gives us a list of unique points on a 2D X-Y plane. Eac… |
| 813 | Largest Sum of Averages | 🟡 Medium | 1m 21s | The problem gives us an integer array nums and an integer k. We are… |
| 814 | Binary Tree Pruning | 🟡 Medium | 1m 29s | This problem asks us to modify a binary tree by removing every subt… |
| 815 | Bus Routes | 🔴 Hard | 29s | This problem asks us to determine the minimum number of buses requi… |
| 816 | Ambiguous Coordinates | 🟡 Medium | 1m 10s | The problem gives us a compressed string representation of a 2D coo… |
| 817 | Linked List Components | 🟡 Medium | 52s | The problem gives us a singly linked list where every node contains… |
| 818 | Race Car | 🔴 Hard | 1m 9s | This problem asks us to control a car moving on an infinite one dim… |
| 819 | Most Common Word | 🟢 Easy | 1m 20s | The problem asks us to process a paragraph of text and determine wh… |
| 820 | Short Encoding of Words | 🟡 Medium | 52s | The problem asks us to find the length of the shortest reference st… |
| 821 | Shortest Distance to a Character | 🟢 Easy | 1m 20s | The problem gives us a string s and a target character c. For every… |
| 822 | Card Flipping Game | 🟡 Medium | 1m 1s | In this problem, we are given a collection of cards where each card… |
| 823 | Binary Trees With Factors | 🟡 Medium | 42s | The problem asks us to determine the number of distinct binary tree… |
| 824 | Goat Latin | 🟢 Easy | 1m 4s | This problem asks us to transform a given sentence into a fictional… |
| 825 | Friends Of Appropriate Ages | 🟡 Medium | 1m 10s | The problem gives us an array ages, where each value represents the… |
| 826 | Most Profit Assigning Work | 🟡 Medium | 55s | This problem asks us to maximize the total profit earned by assigni… |
| 827 | Making A Large Island | 🔴 Hard | 1m 29s | This problem asks us to find the largest possible island size in a … |
| 828 | Count Unique Characters of All Substrings of a Given String | 🔴 Hard | 1m 10s | The problem asks us to compute the total number of unique character… |
| 829 | Consecutive Numbers Sum | 🔴 Hard | 42s | The problem asks us to determine in how many distinct ways an integ… |
| 830 | Positions of Large Groups | 🟢 Easy | 56s | The problem asks us to identify all large groups in a given string … |
| 831 | Masking Personal Information | 🟡 Medium | 38s | The problem requires creating a masked version of a personal inform… |
| 832 | Flipping an Image | 🟢 Easy | 43s | The problem requires transforming an n x n binary matrix in two ste… |
| 833 | Find And Replace in String | 🟡 Medium | 1m 5s | The problem gives us a string s and three parallel arrays: - indice… |
| 834 | Sum of Distances in Tree | 🔴 Hard | 1m 18s | The problem gives us an undirected tree with n nodes labeled from 0… |
| 835 | Image Overlap | 🟡 Medium | 37s | This problem asks us to determine the maximum overlap between two b… |
| 836 | Rectangle Overlap | 🟢 Easy | 53s | The problem gives us two axis-aligned rectangles, meaning their sid… |
| 837 | New 21 Game | 🟡 Medium | 1m 15s | In this problem, Alice repeatedly draws random numbers until her sc… |
| 838 | Push Dominoes | 🟡 Medium | 1m | This problem models a chain reaction of falling dominoes. We are gi… |
| 839 | Similar String Groups | 🔴 Hard | 41s | The problem asks us to determine the number of similarity groups wi… |
| 840 | Magic Squares In Grid | 🟡 Medium | 42s | The problem asks us to count the number of 3 x 3 magic squares insi… |
| 841 | Keys and Rooms | 🟡 Medium | 50s | This problem can be interpreted as a graph traversal challenge. Eac… |
| 842 | Split Array into Fibonacci Sequence | 🟡 Medium | 1m 41s | The problem gives us a string consisting only of digits, and asks u… |
| 843 | Guess the Word | 🔴 Hard | 1m 16s | This is an interactive problem where we must identify a hidden six-… |
| 844 | Backspace String Compare | 🟢 Easy | 1m 12s | This problem asks us to determine whether two strings become identi… |
| 845 | Longest Mountain in Array | 🟡 Medium | 58s | The problem asks us to find the length of the longest contiguous su… |
| 846 | Hand of Straights | 🟡 Medium | 40s | The problem asks us to determine whether a given collection of card… |
| 847 | Shortest Path Visiting All Nodes | 🔴 Hard | 1m 25s | The problem gives us an undirected and connected graph with n nodes… |
| 848 | Shifting Letters | 🟡 Medium | 59s | This problem asks us to repeatedly apply character shifts to a stri… |
| 849 | Maximize Distance to Closest Person | 🟡 Medium | 1m 18s | In this problem, we are given a binary array called seats. Each pos… |
| 850 | Rectangle Area II | 🔴 Hard | 39s | This problem asks us to compute the total area covered by a set of … |
| 851 | Loud and Rich | 🟡 Medium | 1m 15s | This problem describes a group of people where some people are know… |
| 852 | Peak Index in a Mountain Array | 🟡 Medium | 1m 9s | This problem gives us a special type of array called a mountain arr… |
| 853 | Car Fleet | 🟡 Medium | 1m 16s | The problem describes a set of cars driving toward the same destina… |
| 854 | K-Similar Strings | 🔴 Hard | 1m 18s | The problem asks us to determine the minimum number of swaps needed… |
| 855 | Exam Room | 🟡 Medium | 50s | This problem requires designing a simulation for an exam room seati… |
| 856 | Score of Parentheses | 🟡 Medium | 44s | The problem is asking us to compute a score for a string of balance… |
| 857 | Minimum Cost to Hire K Workers | 🔴 Hard | 1m 30s | In this problem, we are given two arrays, quality and wage, where e… |
| 858 | Mirror Reflection | 🟡 Medium | 1m 8s | This problem describes a square room with perfectly reflective wall… |
| 859 | Buddy Strings | 🟢 Easy | 1m 11s | The problem asks whether it is possible to make two strings equal b… |
| 860 | Lemonade Change | 🟢 Easy | 39s | This problem simulates a lemonade stand where each lemonade costs 5… |
| 861 | Score After Flipping Matrix | 🟡 Medium | 38s | The problem provides an m x n binary matrix, grid, where each eleme… |
| 862 | Shortest Subarray with Sum at Least K | 🔴 Hard | 1m 12s | The problem asks us to find the length of the shortest contiguous s… |
| 863 | All Nodes Distance K in Binary Tree | 🟡 Medium | 1m 22s | This problem gives us the root of a binary tree, a specific target … |
| 864 | Shortest Path to Get All Keys | 🔴 Hard | 34s | This problem asks us to find the shortest path to collect all keys … |
| 865 | Smallest Subtree with all the Deepest Nodes | 🟡 Medium | 1m 15s | The problem gives us the root of a binary tree and asks us to find … |
| 866 | Prime Palindrome | 🟡 Medium | 1m 4s | This problem asks us to find the smallest number greater than or eq… |
| 867 | Transpose Matrix | 🟢 Easy | 1m 7s | This problem asks us to compute the transpose of a given two dimens… |
| 868 | Binary Gap | 🟢 Easy | 58s | The problem asks us to examine the binary representation of a posit… |
| 869 | Reordered Power of 2 | 🟡 Medium | 1m 11s | The problem gives us a positive integer n and asks whether its digi… |
| 870 | Advantage Shuffle | 🟡 Medium | 34s | The problem asks us to maximize the advantage of one array over ano… |
| 871 | Minimum Number of Refueling Stops | 🔴 Hard | 1m 7s | The problem describes a car traveling from position 0 to a destinat… |
| 872 | Leaf-Similar Trees | 🟢 Easy | 1m 4s | This problem asks us to compare two binary trees based only on thei… |
| 873 | Length of Longest Fibonacci Subsequence | 🟡 Medium | 1m 12s | The problem asks us to find the length of the longest subsequence i… |
| 874 | Walking Robot Simulation | 🟡 Medium | 1m 18s | The problem describes a robot moving on an infinite two dimensional… |
| 875 | Koko Eating Bananas | 🟡 Medium | 41s | The problem asks us to determine the minimum eating speed k for Kok… |
| 876 | Middle of the Linked List | 🟢 Easy | 55s | The problem gives us the head of a singly linked list and asks us t… |
| 877 | Stone Game | 🟡 Medium | 1m 10s | The problem describes a two-player game played on an array of stone… |
| 878 | Nth Magical Number | 🔴 Hard | 1m 13s | The problem asks us to find the nth positive integer that is divisi… |
| 879 | Profitable Schemes | 🔴 Hard | 1m 16s | This problem asks us to count how many subsets of crimes satisfy tw… |
| 880 | Decoded String at Index | 🟡 Medium | 1m 12s | The problem gives us an encoded string s that represents a potentia… |
| 881 | Boats to Save People | 🟡 Medium | 1m 10s | This problem asks us to determine the minimum number of boats requi… |
| 882 | Reachable Nodes In Subdivided Graph | 🔴 Hard | 2m 1s | The problem gives us an undirected graph with n original nodes. Eac… |
| 883 | Projection Area of 3D Shapes | 🟢 Easy | 1m 14s | The problem gives us an n x n matrix called grid. Each cell grid[i]… |
| 884 | Uncommon Words from Two Sentences | 🟢 Easy | 56s | This problem asks us to find all words that are considered "uncommo… |
| 885 | Spiral Matrix III | 🟡 Medium | 34s | The problem is asking us to generate the coordinates of cells in a … |
| 886 | Possible Bipartition | 🟡 Medium | 1m 18s | This problem asks whether it is possible to divide n people into ex… |
| 887 | Super Egg Drop | 🔴 Hard | 1m 9s | The problem asks us to determine the minimum number of moves requir… |
| 888 | Fair Candy Swap | 🟢 Easy | 1m 9s | The problem gives us two arrays, aliceSizes and bobSizes, represent… |
| 889 | Construct Binary Tree from Preorder and Postorder Traversal | 🟡 Medium | 1m 3s | The problem gives us two traversal orders of the same binary tree: … |
| 890 | Find and Replace Pattern | 🟡 Medium | 1m 8s | The problem gives us a list of words and a target pattern string. W… |
| 891 | Sum of Subsequence Widths | 🔴 Hard | 41s | The problem asks us to calculate the sum of widths for all non-empt… |
| 892 | Surface Area of 3D Shapes | 🟢 Easy | 1m 14s | The problem gives us an n x n matrix called grid, where each cell c… |
| 893 | Groups of Special-Equivalent Strings | 🟡 Medium | 1m 21s | The problem asks us to group strings based on a special equivalence… |
| 894 | All Possible Full Binary Trees | 🟡 Medium | 1m 11s | The problem asks us to generate every possible full binary tree tha… |
| 895 | Maximum Frequency Stack | 🔴 Hard | 42s | The problem is asking us to design a custom stack-like data structu… |
| 896 | Monotonic Array | 🟢 Easy | 38s | This problem asks us to determine whether a given array of integers… |
| 897 | Increasing Order Search Tree | 🟢 Easy | 1m 1s | This problem gives us the root of a Binary Search Tree, abbreviated… |
| 898 | Bitwise ORs of Subarrays | 🟡 Medium | 1m 12s | The problem asks us to compute every possible bitwise OR value that… |
| 899 | Orderly Queue | 🔴 Hard | 57s | This problem gives us a string s and an integer k. We are allowed t… |
| 900 | RLE Iterator | 🟡 Medium | 1m 12s | This problem asks us to design an iterator over a run-length encode… |
| 901 | Online Stock Span | 🟡 Medium | 1m | The problem asks us to design a class that processes stock prices o… |
| 902 | Numbers At Most N Given Digit Set | 🔴 Hard | 1m 17s | The problem gives us a set of allowed digits, stored as strings, an… |
| 903 | Valid Permutations for DI Sequence | 🔴 Hard | 1m 15s | The problem gives us a string s of length n, where each character d… |
| 904 | Fruit Into Baskets | 🟡 Medium | 1m 6s | This problem asks us to find the length of the longest contiguous s… |
| 905 | Sort Array By Parity | 🟢 Easy | 1m | The problem asks us to rearrange an array so that all even numbers … |
| 906 | Super Palindromes | 🔴 Hard | 1m 34s | This problem asks us to count how many numbers within a given inclu… |
| 907 | Sum of Subarray Minimums | 🟡 Medium | 1m 21s | The problem asks us to compute the sum of the minimum value of ever… |
| 908 | Smallest Range I | 🟢 Easy | 1m 3s | The problem gives us an integer array nums and an integer k. For ev… |
| 909 | Snakes and Ladders | 🟡 Medium | 41s | The problem is asking us to simulate a modified game of Snakes and … |
| 910 | Smallest Range II | 🟡 Medium | 1m 12s | The problem gives us an integer array nums and an integer k. For ev… |
| 911 | Online Election | 🟡 Medium | 48s | The problem is asking us to design a data structure that can effici… |
| 912 | Sort an Array | 🟡 Medium | 1m 6s | The problem asks us to sort an integer array in ascending order wit… |
| 913 | Cat and Mouse | 🔴 Hard | 1m 30s | In this problem, we are given an undirected graph where two players… |
| 914 | X of a Kind in a Deck of Cards | 🟢 Easy | 38s | The problem asks whether it is possible to partition a deck of card… |
| 915 | Partition Array into Disjoint Intervals | 🟡 Medium | 57s | The problem asks us to split an array into two contiguous parts, le… |
| 916 | Word Subsets | 🟡 Medium | 1m 15s | The problem asks us to determine which strings in words1 satisfy al… |
| 917 | Reverse Only Letters | 🟢 Easy | 1m 9s | The problem asks us to reverse only the English letters in a string… |
| 918 | Maximum Sum Circular Subarray | 🟡 Medium | 35s | The problem asks for the maximum sum of a subarray in a circular ar… |
| 919 | Complete Binary Tree Inserter | 🟡 Medium | 41s | This problem asks us to design a data structure that allows inserti… |
| 920 | Number of Music Playlists | 🔴 Hard | 1m 24s | The problem gives us n unique songs and asks us to build playlists … |
| 921 | Minimum Add to Make Parentheses Valid | 🟡 Medium | 29s | The problem asks us to determine the minimum number of parentheses … |
| 922 | Sort Array By Parity II | 🟢 Easy | 1m 9s | The problem gives an integer array nums where exactly half of the e… |
| 923 | 3Sum With Multiplicity | 🟡 Medium | 1m 28s | The problem asks us to count how many index triplets (i, j, k) sati… |
| 924 | Minimize Malware Spread | 🔴 Hard | 1m 24s | In this problem, we are given an undirected graph represented as an… |
| 925 | Long Pressed Name | 🟢 Easy | 1m 10s | In this problem, we are given two strings, name and typed. The stri… |
| 926 | Flip String to Monotone Increasing | 🟡 Medium | 1m 8s | The problem asks us to transform a binary string into a monotone in… |
| 927 | Three Equal Parts | 🔴 Hard | 44s | The problem asks us to partition a binary array arr into three non-… |
| 928 | Minimize Malware Spread II | 🔴 Hard | 41s | The problem is about a network of computers represented as an undir… |
| 929 | Unique Email Addresses | 🟢 Easy | 2m 19s | The problem gives us a list of email addresses and asks how many un… |
| 930 | Binary Subarrays With Sum | 🟡 Medium | 59s | The problem asks us to count the number of contiguous subarrays in … |
| 931 | Minimum Falling Path Sum | 🟡 Medium | 1m 3s | The problem asks for the minimum sum of any falling path through an… |
| 932 | Beautiful Array | 🟡 Medium | 1m 2s | The problem asks us to construct a permutation of the integers from… |
| 933 | Number of Recent Calls | 🟢 Easy | 36s | The problem asks us to implement a class RecentCounter that tracks … |
| 934 | Shortest Bridge | 🟡 Medium | 1m 14s | The problem gives us an n x n binary matrix called grid. Each cell … |
| 935 | Knight Dialer | 🟡 Medium | 1m 13s | The problem asks us to count how many distinct phone numbers of len… |
| 936 | Stamping The Sequence | 🔴 Hard | 1m 17s | This problem asks us to reconstruct a target string by repeatedly a… |
| 937 | Reorder Data in Log Files | 🟡 Medium | 1m 4s | In this problem, we are given a list of log strings. Each log conta… |
| 938 | Range Sum of BST | 🟢 Easy | 1m | This problem gives us the root of a Binary Search Tree, abbreviated… |
| 939 | Minimum Area Rectangle | 🟡 Medium | 1m 18s | The problem gives us a collection of distinct points on a 2D plane.… |
| 940 | Distinct Subsequences II | 🔴 Hard | 1m 8s | The problem asks us to count how many distinct non-empty subsequenc… |
| 941 | Valid Mountain Array | 🟢 Easy | 1m 13s | The problem asks us to determine whether a given integer array form… |
| 942 | DI String Match | 🟢 Easy | 1m 15s | In this problem, we are given a string s consisting only of the cha… |
| 943 | Find the Shortest Superstring | 🔴 Hard | 39s | The problem asks us to find the shortest superstring that contains … |
| 944 | Delete Columns to Make Sorted | 🟢 Easy | 1m 6s | The problem gives us an array of strings where every string has exa… |
| 945 | Minimum Increment to Make Array Unique | 🟡 Medium | 41s | This problem asks us to take an integer array nums and perform a se… |
| 946 | Validate Stack Sequences | 🟡 Medium | 35s | This problem asks whether two sequences of integers, pushed and pop… |
| 947 | Most Stones Removed with Same Row or Column | 🟡 Medium | 1m 17s | The problem gives us a collection of stones placed on a 2D grid. Ea… |
| 948 | Bag of Tokens | 🟡 Medium | 1m 15s | The problem gives us a collection of tokens, where each token has a… |
| 949 | Largest Time for Given Digits | 🟡 Medium | 1m 6s | The problem provides an array of exactly four digits. Using each di… |
| 950 | Reveal Cards In Increasing Order | 🟡 Medium | 1m 11s | The problem gives us a deck of unique integer cards and asks us to … |
| 951 | Flip Equivalent Binary Trees | 🟡 Medium | 1m 7s | This problem asks us to determine whether two binary trees can be m… |
| 952 | Largest Component Size by Common Factor | 🔴 Hard | 38s | The problem asks us to find the largest connected component in a gr… |
| 953 | Verifying an Alien Dictionary | 🟢 Easy | 1m 4s | This problem asks us to verify whether a list of words is sorted ac… |
| 954 | Array of Doubled Pairs | 🟡 Medium | 29s | The problem asks whether it is possible to reorder an even-length a… |
| 955 | Delete Columns to Make Sorted II | 🟡 Medium | 1m 20s | This problem asks us to remove the minimum number of columns from a… |
| 956 | Tallest Billboard | 🔴 Hard | 1m 11s | This problem asks us to split a collection of steel rods into two g… |
| 957 | Prison Cells After N Days | 🟡 Medium | 39s | The problem presents a simulation scenario with a row of exactly 8 … |
| 958 | Check Completeness of a Binary Tree | 🟡 Medium | 36s | The problem asks us to determine whether a given binary tree is a c… |
| 959 | Regions Cut By Slashes | 🟡 Medium | 40s | Let's dive into a full, detailed technical solution guide for LeetC… |
| 960 | Delete Columns to Make Sorted III | 🔴 Hard | 33s | This problem asks us to find the minimum number of columns to delet… |
| 961 | N-Repeated Element in Size 2N Array | 🟢 Easy | 2m 48s | The problem gives us an integer array nums whose length is exactly … |
| 962 | Maximum Width Ramp | 🟡 Medium | 28s | The problem asks us to find the maximum width ramp in an array of i… |
| 963 | Minimum Area Rectangle II | 🟡 Medium | 1m 28s | The problem gives us a collection of unique points on a 2D plane. O… |
| 964 | Least Operators to Express Number | 🔴 Hard | 1m 23s | This problem asks us to construct a mathematical expression using o… |
| 965 | Univalued Binary Tree | 🟢 Easy | 1m 3s | The problem gives us the root node of a binary tree and asks whethe… |
| 966 | Vowel Spellchecker | 🟡 Medium | 1m 35s | The problem asks us to build a spellchecker with three levels of ma… |
| 967 | Numbers With Same Consecutive Differences | 🟡 Medium | 46s | The problem asks us to generate all integers of length n such that … |
| 968 | Binary Tree Cameras | 🔴 Hard | 36s | This problem asks us to determine the minimum number of cameras req… |
| 969 | Pancake Sorting | 🟡 Medium | 42s | The problem is asking us to sort an array of unique integers using … |
| 970 | Powerful Integers | 🟡 Medium | 1m 8s | This problem asks us to generate all integers that can be written i… |
| 971 | Flip Binary Tree To Match Preorder Traversal | 🟡 Medium | 36s | This problem asks us to manipulate a binary tree so that its pre-or… |
| 972 | Equal Rational Numbers | 🔴 Hard | 45s | The problem asks us to determine whether two strings s and t, each … |
| 973 | K Closest Points to Origin | 🟡 Medium | 41s | This problem asks us to find the k points that are closest to the o… |
| 974 | Subarray Sums Divisible by K | 🟡 Medium | 1m 9s | The problem asks us to count how many non-empty contiguous subarray… |
| 975 | Odd Even Jump | 🔴 Hard | 38s | The problem asks us to determine how many starting indices in an ar… |
| 976 | Largest Perimeter Triangle | 🟢 Easy | 1m 7s | The problem gives us an array of integers called nums, where each i… |
| 977 | Squares of a Sorted Array | 🟢 Easy | 46s | The problem asks us to take an array of integers nums that is alrea… |
| 978 | Longest Turbulent Subarray | 🟡 Medium | 1m 16s | The problem asks us to find the length of the longest turbulent sub… |
| 979 | Distribute Coins in Binary Tree | 🟡 Medium | 1m 5s | In this problem, we are given a binary tree where every node contai… |
| 980 | Unique Paths III | 🔴 Hard | 1m 18s | This problem asks us to count the number of valid paths in a grid u… |
| 981 | Time Based Key-Value Store | 🟡 Medium | 1m 15s | The problem asks us to design a data structure that behaves like a … |
| 982 | Triples with Bitwise AND Equal To Zero | 🔴 Hard | 44s | This problem asks us to count the number of triples (i, j, k) from … |
| 983 | Minimum Cost For Tickets | 🟡 Medium | 1m 7s | In this problem, we are given a list of travel days during a single… |
| 984 | String Without AAA or BBB | 🟡 Medium | 58s | The problem gives us two integers, a and b, representing how many '… |
| 985 | Sum of Even Numbers After Queries | 🟡 Medium | 1m | The problem gives us an integer array nums and a list of update ope… |
| 986 | Interval List Intersections | 🟡 Medium | 1m 8s | The problem gives us two lists of closed intervals. Each interval i… |
| 987 | Vertical Order Traversal of a Binary Tree | 🔴 Hard | 41s | The problem asks us to compute the vertical order traversal of a bi… |
| 988 | Smallest String Starting From Leaf | 🟡 Medium | 1m 8s | The problem gives us the root of a binary tree where every node sto… |
| 989 | Add to Array-Form of Integer | 🟢 Easy | 40s | The problem is asking us to perform addition between a number repre… |
| 990 | Satisfiability of Equality Equations | 🟡 Medium | 46s | The problem is asking us to determine if a set of equations between… |
| 991 | Broken Calculator | 🟡 Medium | 54s | This problem gives us a calculator that starts with an integer star… |
| 992 | Subarrays with K Different Integers | 🔴 Hard | 1m 19s | The problem asks us to count how many contiguous subarrays contain … |
| 993 | Cousins in Binary Tree | 🟢 Easy | 1m 22s | The problem asks us to determine whether two nodes in a binary tree… |
| 994 | Rotting Oranges | 🟡 Medium | 1m 30s | You are given a 2D grid where each cell represents one of three pos… |
| 995 | Minimum Number of K Consecutive Bit Flips | 🔴 Hard | 39s | The problem gives us a binary array nums consisting of 0s and 1s an… |
| 996 | Number of Squareful Arrays | 🔴 Hard | 36s | The problem asks us to count all permutations of a given integer ar… |
| 997 | Find the Town Judge | 🟢 Easy | 1m 5s | The problem describes a town containing n people labeled from 1 to … |
| 998 | Maximum Binary Tree II | 🟡 Medium | 1m 8s | A maximum tree is a special binary tree where every node contains a… |
| 999 | Available Captures for Rook | 🟢 Easy | 1m 32s | The problem gives us an 8 x 8 chessboard represented as a matrix of… |
| 1000 | Minimum Cost to Merge Stones | 🔴 Hard | 1m 29s | The problem asks us to merge n piles of stones into a single pile u… |
| 1001 | Grid Illumination | 🔴 Hard | 4m 29s | This problem models a very large chessboard-like grid where certain… |
| 1002 | Find Common Characters | 🟢 Easy | 3m 8s | The problem gives us an array of lowercase strings called words. We… |
| 1003 | Check If Word Is Valid After Substitutions | 🟡 Medium | 1m 11s | The problem asks us to determine whether a given string can be cons… |
| 1004 | Max Consecutive Ones III | 🟡 Medium | 1m 33s | This problem asks us to find the length of the longest contiguous s… |
| 1005 | Maximize Sum Of Array After K Negations | 🟢 Easy | 47s | The problem is asking us to maximize the sum of an integer array af… |
| 1006 | Clumsy Factorial | 🟡 Medium | 45s | The problem asks us to compute a clumsy factorial for a given posit… |
| 1007 | Minimum Domino Rotations For Equal Row | 🟡 Medium | 1m 11s | The problem gives us two arrays, tops and bottoms, representing a s… |
| 1008 | Construct Binary Search Tree from Preorder Traversal | 🟡 Medium | 49s | Let's dive deep and construct a thorough technical guide for LeetCo… |
| 1009 | Complement of Base 10 Integer | 🟢 Easy | 48s | This problem asks us to compute the complement of a base-10 integer… |
| 1010 | Pairs of Songs With Total Durations Divisible by 60 | 🟡 Medium | 40s | The problem asks us to find pairs of songs whose total duration is … |
| 1011 | Capacity To Ship Packages Within D Days | 🟡 Medium | 1m 18s | This problem asks us to determine the minimum ship capacity require… |
| 1012 | Numbers With Repeated Digits | 🔴 Hard | 1m 50s | The problem asks us to count how many integers in the range [1, n] … |
| 1013 | Partition Array Into Three Parts With Equal Sum | 🟢 Easy | 2m 30s | The problem gives us an integer array arr and asks whether it can b… |
| 1014 | Best Sightseeing Pair | 🟡 Medium | 44s | The problem presents an array of integers values, where each elemen… |
| 1015 | Smallest Integer Divisible by K | 🟡 Medium | 1m 9s | The problem asks us to find the length of the smallest positive int… |
| 1016 | Binary String With Substrings Representing 1 To N | 🟡 Medium | 55s | The problem asks us to determine whether a given binary string s co… |
| 1017 | Convert to Base -2 | 🟡 Medium | 2m 52s | This problem asks us to convert a non-negative integer n into its r… |
| 1018 | Binary Prefix Divisible By 5 | 🟢 Easy | 2m 19s | The problem presents a binary array nums, where each element is eit… |
| 1019 | Next Greater Node In Linked List | 🟡 Medium | 2m 34s | The problem asks us to process a singly-linked list and, for each n… |
| 1020 | Number of Enclaves | 🟡 Medium | 2m 28s | The problem gives us a binary matrix called grid, where: - 0 repres… |
| 1021 | Remove Outermost Parentheses | 🟢 Easy | 10m 43s | Unusual activity has been detected from your device. Try again late… |
| 1022 | Sum of Root To Leaf Binary Numbers | 🟢 Easy | 1m 15s | This problem gives us the root of a binary tree where every node co… |
| 1023 | Camelcase Matching | 🟡 Medium | 1m 18s | The problem gives us a list of query strings and a target camel cas… |
| 1024 | Video Stitching | 🟡 Medium | 1m 3s | The problem asks us to cover a sporting event that lasts time secon… |
| 1025 | Divisor Game | 🟢 Easy | 2m 31s | The problem describes a two-player turn-based game between Alice an… |
| 1026 | Maximum Difference Between Node and Ancestor | 🟡 Medium | 1m 10s | This problem asks us to find the largest absolute difference betwee… |
| 1027 | Longest Arithmetic Subsequence | 🟡 Medium | 43s | Your requested guide is very long and detailed, especially with all… |
| 1028 | Recover a Tree From Preorder Traversal | 🔴 Hard | 53s | The problem provides a string traversal representing a preorder dep… |
| 1029 | Two City Scheduling | 🟡 Medium | 1m 14s | In this problem, we are given an array called costs, where each ele… |
| 1030 | Matrix Cells in Distance Order | 🟢 Easy | 1m 10s | This problem asks us to return every cell in a matrix, ordered by i… |
| 1031 | Maximum Sum of Two Non-Overlapping Subarrays | 🟡 Medium | 1m 14s | The problem gives us an integer array nums and two fixed subarray l… |
| 1032 | Stream of Characters | 🔴 Hard | 2m 19s | The problem asks us to design a data structure that processes a str… |
| 1033 | Moving Stones Until Consecutive | 🟡 Medium | 49s | The problem presents three stones placed on distinct positions alon… |
| 1034 | Coloring A Border | 🟡 Medium | 1m 11s | The problem gives us a two dimensional grid where each cell contain… |
| 1035 | Uncrossed Lines | 🟡 Medium | 2m 49s | The problem gives us two integer arrays, nums1 and nums2. We are al… |
| 1036 | Escape a Large Maze | 🔴 Hard | 1m 42s | The problem gives us a massive 1,000,000 x 1,000,000 grid. Each cel… |
| 1037 | Valid Boomerang | 🟢 Easy | 48s | This problem asks us to determine whether three given points in a 2… |
| 1038 | Binary Search Tree to Greater Sum Tree | 🟡 Medium | 1m 13s | The problem gives us the root of a Binary Search Tree, abbreviated … |
| 1039 | Minimum Score Triangulation of Polygon | 🟡 Medium | 2m 15s | This problem asks us to triangulate a convex polygon in such a way … |
| 1040 | Moving Stones Until Consecutive II | 🟡 Medium | 47s | The problem gives an array stones representing positions of stones … |
| 1041 | Robot Bounded In Circle | 🟡 Medium | 1m | This problem asks us to determine whether a robot moving on an infi… |
| 1042 | Flower Planting With No Adjacent | 🟡 Medium | 57s | The problem presents n gardens, labeled from 1 to n, and a list of … |
| 1043 | Partition Array for Maximum Sum | 🟡 Medium | 1m 9s | The problem gives us an integer array arr and an integer k. We are … |
| 1044 | Longest Duplicate Substring | 🔴 Hard | 1m | Here is the complete, detailed technical solution guide for LeetCod… |
| 1045 | Customers Who Bought All Products | 🟡 Medium | 1m | This problem asks us to identify all customers who have purchased e… |
| 1046 | Last Stone Weight | 🟢 Easy | 59s | This problem asks us to repeatedly simulate a process involving sto… |
| 1047 | Remove All Adjacent Duplicates In String | 🟢 Easy | 1m 8s | The problem gives us a string s containing only lowercase English l… |
| 1048 | Longest String Chain | 🟡 Medium | 2m 17s | That is a long, structured technical guide that will exceed a pract… |
| 1049 | Last Stone Weight II | 🟡 Medium | 1m 24s | The problem is essentially about simulating the process of repeated… |
| 1050 | Actors and Directors Who Cooperated At Least Three Times | 🟢 Easy | 1m 1s | This problem asks us to identify every (actorid, directorid) pair w… |
| 1051 | Height Checker | 🟢 Easy | 1m 13s | The problem gives us an array called heights, where each value repr… |
| 1052 | Grumpy Bookstore Owner | 🟡 Medium | 2m 32s | This problem asks us to maximize the number of satisfied customers … |
| 1053 | Previous Permutation With One Swap | 🟡 Medium | 1m 19s | The problem asks us to find the lexicographically largest permutati… |
| 1054 | Distant Barcodes | 🟡 Medium | 4m 7s | The problem is asking us to rearrange a list of barcodes so that no… |
| 1055 | Shortest Way to Form String | 🟡 Medium | 1m 16s | The problem asks us to construct the string target using the fewest… |
| 1056 | Confusing Number | 🟢 Easy | 4m 11s | The problem asks us to determine whether a given integer becomes a … |
| 1057 | Campus Bikes | 🟡 Medium | 1m 16s | This problem models a matching process between workers and bikes on… |
| 1058 | Minimize Rounding Error to Meet Target | 🟡 Medium | 41s | The problem asks us to round an array of decimal prices to integers… |
| 1059 | All Paths from Source Lead to Destination | 🟡 Medium | 5m 6s | This problem gives us a directed graph with n nodes labeled from 0 … |
| 1060 | Missing Element in Sorted Array | 🟡 Medium | 42s | The problem asks us to find the k-th missing number in a sorted, st… |
| 1061 | Lexicographically Smallest Equivalent String | 🟡 Medium | 1m 2s | Here is the complete, detailed technical solution guide for LeetCod… |
| 1062 | Longest Repeating Substring | 🟡 Medium | 1m 24s | The problem asks us to find the length of the longest substring tha… |
| 1063 | Number of Valid Subarrays | 🔴 Hard | 57s | The problem is asking us to count the number of valid subarrays in … |
| 1064 | Fixed Point | 🟢 Easy | 55s | The problem is asking us to find a "fixed point" in a sorted array … |
| 1065 | Index Pairs of a String | 🟢 Easy | 1m 21s | The problem gives us a string called text and a list of dictionary … |
| 1066 | Campus Bikes II | 🟡 Medium | 2m 23s | That is a long-form technical guide with multiple required sections… |
| 1067 | Digit Count in Range | 🔴 Hard | 56s | This problem asks us to count how many times a given digit d appear… |
| 1068 | Product Sales Analysis I | 🟢 Easy | 1m 9s | This problem asks us to combine information from two database table… |
| 1069 | Product Sales Analysis II | 🟢 Easy | 2m 51s | This problem asks us to calculate the total quantity sold for each … |
| 1070 | Product Sales Analysis III | 🟡 Medium | 4m 5s | The problem asks us to analyze sales data stored in a Sales table a… |
| 1071 | Greatest Common Divisor of Strings | 🟢 Easy | 1m 26s | The problem asks us to find the greatest common divisor (GCD) of tw… |
| 1072 | Flip Columns For Maximum Number of Equal Rows | 🟡 Medium | 1m 6s | The problem gives us an m x n binary matrix, where every element is… |
| 1073 | Adding Two Negabinary Numbers | 🟡 Medium | 56s | The problem asks us to add two numbers that are represented in nega… |
| 1074 | Number of Submatrices That Sum to Target | 🔴 Hard | 4m 24s | The problem asks us to count how many non-empty rectangular submatr… |
| 1075 | Project Employees I | 🟢 Easy | 54s | This problem provides two database tables, Project and Employee. Th… |
| 1076 | Project Employees II | 🟢 Easy | 1m 19s | This problem asks us to identify the project or projects that have … |
| 1077 | Project Employees III | 🟡 Medium | 43s | The problem asks us to find the most experienced employees in each … |
| 1078 | Occurrences After Bigram | 🟢 Easy | 1m 3s | The problem gives us a string called text and two target words, fir… |
| 1079 | Letter Tile Possibilities | 🟡 Medium | 1m 3s | The problem asks us to count all possible non-empty sequences that … |
| 1080 | Insufficient Nodes in Root to Leaf Paths | 🟡 Medium | 58s | This problem asks us to prune a binary tree by removing insufficien… |
| 1081 | Smallest Subsequence of Distinct Characters | 🟡 Medium | 1m 15s | The problem asks us to construct the lexicographically smallest sub… |
| 1082 | Sales Analysis I | 🟢 Easy | 1m 37s | This problem asks us to identify the seller or sellers who generate… |
| 1083 | Sales Analysis II | 🟢 Easy | 1m 22s | This problem asks us to identify all buyers who purchased the produ… |
| 1084 | Sales Analysis III | 🟢 Easy | 5m 7s | The problem asks us to identify products that were sold only during… |
| 1085 | Sum of Digits in the Minimum Number | 🟢 Easy | 5m 42s | This problem asks us to examine the smallest number in the input ar… |
| 1086 | High Five | 🟢 Easy | 44s | The problem asks us to compute the top five average score for each … |
| 1087 | Brace Expansion | 🟡 Medium | 1m 3s | In this problem, we are given a string that represents multiple pos… |
| 1088 | Confusing Number II | 🔴 Hard | 1m 6s | In this problem, we are given an integer n, and we must count how m… |
| 1089 | Duplicate Zeros | 🟢 Easy | 48s | The problem asks us to modify a fixed-length integer array in-place… |
| 1090 | Largest Values From Labels | 🟡 Medium | 4m 5s | The problem gives us two arrays, values and labels, where each inde… |
| 1091 | Shortest Path in Binary Matrix | 🟡 Medium | 52s | The problem asks us to find the shortest path from the top-left cor… |
| 1092 | Shortest Common Supersequence | 🔴 Hard | 1m 17s | The problem asks us to construct the shortest possible string that … |
| 1093 | Statistics from a Large Sample | 🟡 Medium | 53s | This problem asks us to compute several descriptive statistics-mini… |
| 1094 | Car Pooling | 🟡 Medium | 1m 9s | This problem asks us to determine whether a car can successfully co… |
| 1095 | Find in Mountain Array | 🔴 Hard | 3m 36s | This problem gives us a special type of array called a mountain arr… |
| 1096 | Brace Expansion II | 🔴 Hard | 1m 10s | The problem asks us to interpret a string expression representing a… |
| 1097 | Game Play Analysis V | 🔴 Hard | 1m 1s | This problem requires calculating the day one retention metric for … |
| 1098 | Unpopular Books | 🟡 Medium | 1m 46s | The problem asks us to identify books from a Books table that are c… |
| 1099 | Two Sum Less Than K | 🟢 Easy | 5m 37s | This problem asks us to find the maximum sum of any two distinct nu… |
| 1100 | Find K-Length Substrings With No Repeated Characters | 🟡 Medium | 57s | The problem asks us to count how many substrings of length k contai… |
| 1101 | The Earliest Moment When Everyone Become Friends | 🟡 Medium | 5m 31s | The problem is asking us to determine the earliest time at which a … |
| 1102 | Path With Maximum Minimum Value | 🟡 Medium | 1m 55s | The problem asks us to find the maximum possible score of a path fr… |
| 1103 | Distribute Candies to People | 🟢 Easy | 6m 19s | The problem describes a sequential candy distribution process acros… |
| 1104 | Path In Zigzag Labelled Binary Tree | 🟡 Medium | 1m 9s | This problem describes an infinite binary tree where nodes are norm… |
| 1105 | Filling Bookcase Shelves | 🟡 Medium | 57s | The problem asks us to arrange a sequence of books on a bookshelf w… |
| 1106 | Parsing A Boolean Expression | 🔴 Hard | 48s | The problem asks us to evaluate a boolean expression represented as… |
| 1107 | New Users Daily Count | 🟡 Medium | 1m 18s | We are given a database table called Traffic that records different… |
| 1108 | Defanging an IP Address | 🟢 Easy | 51s | The problem asks us to transform a valid IPv4 address into its "def… |
| 1109 | Corporate Flight Bookings | 🟡 Medium | 52s | The problem is asking us to compute the total number of seats reser… |
| 1110 | Delete Nodes And Return Forest | 🟡 Medium | 1m 23s | This problem gives us the root of a binary tree and a list of node … |
| 1111 | Maximum Nesting Depth of Two Valid Parentheses Strings | 🟡 Medium | 47s | The problem asks us to take a valid parentheses string seq and spli… |
| 1112 | Highest Grade For Each Student | 🟡 Medium | 1m 8s | The problem gives us a database table named Enrollments. Each row r… |
| 1113 | Reported Posts | 🟢 Easy | 51s | The problem is asking us to determine the number of posts that were… |
| 1114 | Print in Order | 🟢 Easy | 1m 20s | This problem asks us to coordinate three independent threads so tha… |
| 1115 | Print FooBar Alternately | 🟡 Medium | 1m 6s | This problem is a classic concurrency synchronization task. We are … |
| 1116 | Print Zero Even Odd | 🟡 Medium | 46s | The problem requires us to implement a multithreaded class ZeroEven… |
| 1117 | Building H2O | 🟡 Medium | 1m 7s | This problem asks us to coordinate multiple concurrent threads so t… |
| 1118 | Number of Days in a Month | 🟢 Easy | 40s | The problem asks us to determine the number of days in a specific m… |
| 1119 | Remove Vowels from a String | 🟢 Easy | 45s | The problem asks us to remove vowels from a given string s. Specifi… |
| 1120 | Maximum Average Subtree | 🟡 Medium | 1m 5s | This problem asks us to find the maximum average value among all su… |
| 1121 | Divide Array Into Increasing Sequences | 🔴 Hard | 39s | The problem asks us to determine if a sorted integer array nums can… |
| 1122 | Relative Sort Array | 🟢 Easy | 1m 2s | This problem asks us to sort arr1, but not in ordinary ascending or… |
| 1123 | Lowest Common Ancestor of Deepest Leaves | 🟡 Medium | 1m 13s | This problem asks us to find the lowest common ancestor, abbreviate… |
| 1124 | Longest Well-Performing Interval | 🟡 Medium | 1m 22s | Edit The problem gives us an array hours, where each element repres… |
| 1125 | Smallest Sufficient Team | 🔴 Hard | 1m 12s | This problem asks us to build the smallest possible team that colle… |
| 1126 | Active Businesses | 🟡 Medium | 1m 15s | The problem gives us a database table named Events. Each row repres… |
| 1127 | User Purchase Platform | 🔴 Hard | 3m 27s | The Spending table records purchases made by users on an e-commerce… |
| 1128 | Number of Equivalent Domino Pairs | 🟢 Easy | 46s | The problem is asking us to count all pairs of dominoes in a list t… |
| 1129 | Shortest Path with Alternating Colors | 🟡 Medium | 2m 3s | The problem gives us a directed graph with n nodes labeled from 0 t… |
| 1130 | Minimum Cost Tree From Leaf Values | 🟡 Medium | 45s | The problem asks us to construct a binary tree from an input array … |
| 1131 | Maximum of Absolute Value Expression | 🟡 Medium | 1m 10s | The problem gives us two integer arrays, arr1 and arr2, both having… |
| 1132 | Reported Posts II | 🟡 Medium | 48s | The problem asks us to calculate the average daily percentage of po… |
| 1133 | Largest Unique Number | 🟢 Easy | 46s | The problem is asking us to identify the largest integer in an arra… |
| 1134 | Armstrong Number | 🟢 Easy | 52s | In this problem, we are given an integer n, and we must determine w… |
| 1135 | Connecting Cities With Minimum Cost | 🟡 Medium | 1m 23s | This problem asks us to connect n cities together using a set of po… |
| 1136 | Parallel Courses | 🟡 Medium | 45s | The problem is asking us to determine the minimum number of semeste… |
| 1137 | N-th Tribonacci Number | 🟢 Easy | 1m 28s | The problem asks us to compute the n-th number in the Tribonacci se… |
| 1138 | Alphabet Board Path | 🟡 Medium | 1m 8s | The problem gives us a special alphabet board and asks us to genera… |
| 1139 | Largest 1-Bordered Square | 🟡 Medium | 38s | That is a long, detailed reference document with multiple required … |
| 1140 | Stone Game II | 🟡 Medium | 47s | The problem is a two-player turn-based game played on a row of ston… |
| 1141 | User Activity for the Past 30 Days I | 🟢 Easy | 1m 16s | This problem asks us to compute the number of distinct active users… |
| 1142 | User Activity for the Past 30 Days II | 🟢 Easy | 53s | This problem asks us to compute the average number of sessions per … |
| 1143 | Longest Common Subsequence | 🟡 Medium | 1m 13s | The problem asks us to find the length of the longest subsequence t… |
| 1144 | Decrease Elements To Make Array Zigzag | 🟡 Medium | 1m 18s | The problem gives an integer array nums and allows only one type of… |
| 1145 | Binary Tree Coloring Game | 🟡 Medium | 2m 37s | The problem is a two-player game played on a binary tree, where eac… |
| 1146 | Snapshot Array | 🟡 Medium | 6m 58s | The problem asks us to implement a SnapshotArray, a data structure … |
| 1147 | Longest Chunked Palindrome Decomposition | 🔴 Hard | 44s | The problem asks us to decompose a given string text into the large… |
| 1148 | Article Views I | 🟢 Easy | 40s | The problem is asking us to identify all authors who have viewed at… |
| 1149 | Article Views II | 🟡 Medium | 1m 15s | The problem gives us a database table named Views. Each row represe… |
| 1150 | Check If a Number Is Majority Element in a Sorted Array | 🟢 Easy | 44s | This problem asks us to determine if a given target integer is a ma… |
| 1151 | Minimum Swaps to Group All 1's Together | 🟡 Medium | 1m 13s | This problem asks us to determine the minimum number of swaps neede… |
| 1152 | Analyze User Website Visit Pattern | 🟡 Medium | 1m 1s | Here is a comprehensive, detailed technical solution guide for Leet… |
| 1153 | String Transforms Into Another String | 🔴 Hard | 1m 17s | The problem gives us two strings, str1 and str2, which are guarante… |
| 1154 | Day of the Year | 🟢 Easy | 43s | The problem asks us to compute the ordinal day number of a year giv… |
| 1155 | Number of Dice Rolls With Target Sum | 🟡 Medium | 1m 41s | The problem gives us n identical dice, where each die has faces num… |
| 1156 | Swap For Longest Repeated Character Substring | 🟡 Medium | 48s | The problem asks us to determine the length of the longest substrin… |
| 1157 | Online Majority Element In Subarray | 🔴 Hard | 41s | The problem asks us to design a data structure that can efficiently… |
| 1158 | Market Analysis I | 🟡 Medium | 1m 25s | This problem asks us to analyze purchasing activity on an online sh… |
| 1159 | Market Analysis II | 🔴 Hard | 1m 5s | This problem asks us to determine, for every user in the marketplac… |
| 1160 | Find Words That Can Be Formed by Characters | 🟢 Easy | 1m 7s | This problem asks us to determine which words from a given list can… |
| 1161 | Maximum Level Sum of a Binary Tree | 🟡 Medium | 1m 24s | In this problem, we are given the root node of a binary tree. Every… |
| 1162 | As Far from Land as Possible | 🟡 Medium | 1m 15s | The problem requires finding the water cell in a given n x n grid t… |
| 1163 | Last Substring in Lexicographical Order | 🔴 Hard | 1m 11s | The problem asks us to find the substring of a given string s that … |
| 1164 | Product Price at a Given Date | 🟡 Medium | 1m 19s | The problem provides a database table named Products, where each ro… |
| 1165 | Single-Row Keyboard | 🟢 Easy | 52s | The problem describes a single-row keyboard where each key is posit… |
| 1166 | Design File System | 🟡 Medium | 1m 14s | This problem asks us to design a simplified file system that suppor… |
| 1167 | Minimum Cost to Connect Sticks | 🟡 Medium | 1m 16s | The problem gives us an array of positive integers called sticks, w… |
| 1168 | Optimize Water Distribution in a Village | 🔴 Hard | 45s | The problem asks us to supply water to all houses in a village in t… |
| 1169 | Invalid Transactions | 🟡 Medium | 1m 14s | The problem asks us to identify transactions that are potentially i… |
| 1170 | Compare Strings by Frequency of the Smallest Character | 🟡 Medium | 1m 32s | The problem defines a function f(s) for a non-empty string s. This … |
| 1171 | Remove Zero Sum Consecutive Nodes from Linked List | 🟡 Medium | 47s | The problem requires us to repeatedly remove consecutive nodes in a… |
| 1172 | Dinner Plate Stacks | 🔴 Hard | 1m 44s | The problem asks us to design a data structure that behaves like an… |
| 1173 | Immediate Food Delivery I | 🟢 Easy | 41s | The problem is asking to calculate the percentage of immediate food… |
| 1174 | Immediate Food Delivery II | 🟡 Medium | 1m 21s | The problem provides a Delivery table that records food delivery or… |
| 1175 | Prime Arrangements | 🟢 Easy | 48s | The problem asks us to count how many permutations of numbers from … |
| 1176 | Diet Plan Performance | 🟢 Easy | 40s | The problem is asking us to simulate a dieter’s performance over a … |
| 1177 | Can Make Palindrome from Substring | 🟡 Medium | 44s | The problem asks us to determine whether certain substrings of a gi… |
| 1178 | Number of Valid Words for Each Puzzle | 🔴 Hard | 1m 27s | The problem asks us to determine, for each given puzzle string, how… |
| 1179 | Reformat Department Table | 🟢 Easy | 43s | The problem is asking us to take a table Department that records re… |
| 1180 | Count Substrings with Only One Distinct Letter | 🟢 Easy | 1m 17s | The problem asks us to count how many substrings of a given string … |
| 1181 | Before and After Puzzle | 🟡 Medium | 1m 20s | The problem gives us an array of phrases, where each phrase is a st… |
| 1182 | Shortest Distance to Target Color | 🟡 Medium | 1m 11s | The problem gives us an array called colors, where each position co… |
| 1183 | Maximum Number of Ones | 🔴 Hard | 1m 23s | The problem gives us a binary matrix M with dimensions height x wid… |
| 1184 | Distance Between Bus Stops | 🟢 Easy | 1m 8s | In this problem, we are given a circular bus route with n stops num… |
| 1185 | Day of the Week | 🟢 Easy | 1m 11s | This problem asks us to determine which day of the week corresponds… |
| 1186 | Maximum Subarray Sum with One Deletion | 🟡 Medium | 51s | The problem is asking us to find the maximum sum of a contiguous su… |
| 1187 | Make Array Strictly Increasing | 🔴 Hard | 40s | The problem is asking us to transform the array arr1 into a strictl… |
| 1188 | Design Bounded Blocking Queue | 🟡 Medium | 1m 8s | This problem asks us to implement a thread-safe bounded blocking qu… |
| 1189 | Maximum Number of Balloons | 🟢 Easy | 46s | The problem asks us to determine the maximum number of times the wo… |
| 1190 | Reverse Substrings Between Each Pair of Parentheses | 🟡 Medium | 1m 15s | The problem gives us a string s containing lowercase English letter… |
| 1191 | K-Concatenation Maximum Sum | 🟡 Medium | 1m 41s | This problem asks us to find the maximum possible sum of a contiguo… |
| 1192 | Critical Connections in a Network | 🔴 Hard | 1m 31s | This problem gives us an undirected graph representing a network of… |
| 1193 | Monthly Transactions I | 🟡 Medium | 47s | The problem is asking us to produce aggregated statistics on transa… |
| 1194 | Tournament Winners | 🔴 Hard | 44s | The problem asks us to determine the winner in each group of player… |
| 1195 | Fizz Buzz Multithreaded | 🟡 Medium | 1m 24s | The problem asks us to coordinate four separate threads so they col… |
| 1196 | How Many Apples Can You Put into the Basket | 🟢 Easy | 36s | This problem is asking us to determine how many apples we can fit i… |
| 1197 | Minimum Knight Moves | 🟡 Medium | 49s | This problem asks us to compute the minimum number of moves a knigh… |
| 1198 | Find Smallest Common Element in All Rows | 🟡 Medium | 1m 4s | The problem asks us to find the smallest element that appears in ev… |
| 1199 | Minimum Time to Build Blocks | 🔴 Hard | 1m 43s | The problem requires determining the minimum amount of time to buil… |
| 1200 | Minimum Absolute Difference | 🟢 Easy | 51s | The problem asks us to find all pairs of numbers in an array that h… |
| 1201 | Ugly Number III | 🟡 Medium | 1m 23s | The problem defines an "ugly number" as any positive integer that i… |
| 1202 | Smallest String With Swaps | 🟡 Medium | 1m 27s | The problem gives us a string s and a list of index pairs called pa… |
| 1203 | Sort Items by Groups Respecting Dependencies | 🔴 Hard | 1m 44s | This problem asks us to sort n items while satisfying two different… |
| 1204 | Last Person to Fit in the Bus | 🟡 Medium | 1m 6s | This problem gives us a database table named Queue that represents … |
| 1205 | Monthly Transactions II | 🟡 Medium | 1m 2s | This problem asks us to generate a monthly financial summary for ea… |
| 1206 | Design Skiplist | 🔴 Hard | 43s | This problem asks us to implement a Skiplist from scratch, a probab… |
| 1207 | Unique Number of Occurrences | 🟢 Easy | 1m 1s | The problem gives us an integer array arr and asks whether every di… |
| 1208 | Get Equal Substrings Within Budget | 🟡 Medium | 2m 30s | The problem asks us to determine the longest contiguous substring o… |
| 1209 | Remove All Adjacent Duplicates in String II | 🟡 Medium | 1m 3s | The problem asks us to repeatedly remove groups of exactly k adjace… |
| 1210 | Minimum Moves to Reach Target with Rotations | 🔴 Hard | 1m 39s | This problem models a shortest path search on a grid, but the movin… |
| 1211 | Queries Quality and Percentage | 🟢 Easy | 1m 23s | The problem gives us a database table named Queries. Each row repre… |
| 1212 | Team Scores in Football Tournament | 🟡 Medium | 37s | This problem asks us to compute the total points for each football … |
| 1213 | Intersection of Three Sorted Arrays | 🟢 Easy | 1m 5s | The problem gives us three integer arrays, arr1, arr2, and arr3. Ea… |
| 1214 | Two Sum BSTs | 🟡 Medium | 1m 16s | The problem gives us two binary search trees, root1 and root2, alon… |
| 1215 | Stepping Numbers | 🟡 Medium | 46s | The problem is asking us to find all integers within a given range … |
| 1216 | Valid Palindrome III | 🔴 Hard | 39s | The problem asks us to determine whether a given string s can becom… |
| 1217 | Minimum Cost to Move Chips to The Same Position | 🟢 Easy | 1m 1s | The problem asks us to move n chips located at various positions al… |
| 1218 | Longest Arithmetic Subsequence of Given Difference | 🟡 Medium | 49s | The problem asks for the length of the longest arithmetic subsequen… |
| 1219 | Path with Maximum Gold | 🟡 Medium | 1m 21s | The problem gives us a two dimensional grid representing a gold min… |
| 1220 | Count Vowels Permutation | 🔴 Hard | 1m 14s | The problem asks us to count how many valid strings of length n can… |
| 1221 | Split a String in Balanced Strings | 🟢 Easy | 59s | This problem gives us a string s that contains only the characters … |
| 1222 | Queens That Can Attack the King | 🟡 Medium | 1m 14s | In this problem, we are given the positions of several black queens… |
| 1223 | Dice Roll Simulation | 🔴 Hard | 47s | The problem asks us to calculate the total number of valid sequence… |
| 1224 | Maximum Equal Frequency | 🔴 Hard | 1m 22s | The problem gives an array nums consisting of positive integers. We… |
| 1225 | Report Contiguous Dates | 🔴 Hard | 42s | The problem asks us to analyze a system that runs one task per day … |
| 1226 | The Dining Philosophers | 🟡 Medium | 1m 24s | This problem asks us to implement a concurrent synchronization mech… |
| 1227 | Airplane Seat Assignment Probability | 🟡 Medium | 39s | This problem involves a scenario with n passengers and n seats on a… |
| 1228 | Missing Number In Arithmetic Progression | 🟢 Easy | 48s | The problem asks us to find a missing value from an array that orig… |
| 1229 | Meeting Scheduler | 🟡 Medium | 1m 2s | This problem asks us to find the earliest overlapping time slot of … |
| 1230 | Toss Strange Coins | 🟡 Medium | 58s | This problem is asking us to calculate the probability that, when t… |
| 1231 | Divide Chocolate | 🔴 Hard | 45s | The problem asks us to divide a chocolate bar into k + 1 consecutiv… |
| 1232 | Check If It Is a Straight Line | 🟢 Easy | 39s | The problem asks us to determine whether a given set of points in a… |
| 1233 | Remove Sub-Folders from the Filesystem | 🟡 Medium | 46s | This problem asks us to process a list of folder paths and remove a… |
| 1234 | Replace the Substring for Balanced String | 🟡 Medium | 45s | The problem asks us to balance a string composed of exactly four ty… |
| 1235 | Maximum Profit in Job Scheduling | 🔴 Hard | 1m 20s | The problem gives us three arrays of equal length: - startTime[i] r… |
| 1236 | Web Crawler | 🟡 Medium | 1m 14s | The problem asks us to implement a simplified web crawler. We are g… |
| 1237 | Find Positive Integer Solution for a Given Equation | 🟡 Medium | 1m 14s | This problem gives us access to a hidden function f(x, y) through a… |
| 1238 | Circular Permutation in Binary Representation | 🟡 Medium | 1m 6s | This problem asks us to construct a special ordering of all integer… |
| 1239 | Maximum Length of a Concatenated String with Unique Characters | 🟡 Medium | 1m 35s | This problem asks us to select a subsequence of strings from the in… |
| 1240 | Tiling a Rectangle with the Fewest Squares | 🔴 Hard | 40s | The problem is asking us to completely cover a rectangle of size n … |
| 1241 | Number of Comments per Post | 🟢 Easy | 1m 10s | This problem asks us to analyze a database table named Submissions … |
| 1242 | Web Crawler Multithreaded | 🟡 Medium | 49s | The problem asks us to implement a multi-threaded web crawler that … |
| 1243 | Array Transformation | 🟢 Easy | 40s | The problem requires simulating the transformation of an array over… |
| 1244 | Design A Leaderboard | 🟡 Medium | 1m 12s | This problem asks us to design a leaderboard system that supports t… |
| 1245 | Tree Diameter | 🟡 Medium | 42s | The problem asks us to find the diameter of a tree, which is define… |
| 1246 | Palindrome Removal | 🔴 Hard | 56s | The problem requires us to remove all elements from an integer arra… |
| 1247 | Minimum Swaps to Make Strings Equal | 🟡 Medium | 48s | This problem asks us to determine the minimum number of swaps neede… |
| 1248 | Count Number of Nice Subarrays | 🟡 Medium | 1m 13s | The problem asks us to count how many contiguous subarrays contain … |
| 1249 | Minimum Remove to Make Valid Parentheses | 🟡 Medium | 54s | The problem is asking us to process a string containing lowercase l… |
| 1250 | Check If It Is a Good Array | 🔴 Hard | 1m 12s | This problem asks whether it is possible to create the number 1 usi… |
| 1251 | Average Selling Price | 🟢 Easy | 1m 19s | This problem asks us to compute the average selling price for every… |
| 1252 | Cells with Odd Values in a Matrix | 🟢 Easy | 1m 16s | The problem gives us an m x n matrix where every cell initially con… |
| 1253 | Reconstruct a 2-Row Binary Matrix | 🟡 Medium | 50s | The problem asks us to reconstruct a binary matrix with exactly two… |
| 1254 | Number of Closed Islands | 🟡 Medium | 58s | This problem provides a 2D grid representing a map of land and wate… |
| 1255 | Maximum Score Words Formed by Letters | 🔴 Hard | 1m 21s | This problem asks us to select a subset of words that can be constr… |
| 1256 | Encode Number | 🟡 Medium | 47s | Sure, let's build a full, detailed technical solution guide for Lee… |
| 1257 | Smallest Common Region | 🟡 Medium | 1m 16s | This problem describes a hierarchical relationship between geograph… |
| 1258 | Synonymous Sentences | 🟡 Medium | 56s | This problem asks us to generate all possible synonymous variations… |
| 1259 | Handshakes That Don't Cross | 🔴 Hard | 1m 10s | In this problem, we are given an even number of people standing aro… |
| 1260 | Shift 2D Grid | 🟢 Easy | 1m 13s | This problem asks us to simulate repeated shift operations on a 2D … |
| 1261 | Find Elements in a Contaminated Binary Tree | 🟡 Medium | 1m 9s | The problem gives us a binary tree where every node value has been … |
| 1262 | Greatest Sum Divisible by Three | 🟡 Medium | 53s | The problem asks us to find the maximum sum of elements from an int… |
| 1263 | Minimum Moves to Move a Box to Their Target Location | 🔴 Hard | 1m 9s | The problem is a variant of the classic "Sokoban" puzzle. You are g… |
| 1264 | Page Recommendations | 🟡 Medium | 1m 12s | This problem models a small social network with two database tables… |
| 1265 | Print Immutable Linked List in Reverse | 🟡 Medium | 1m 17s | This problem gives us a special type of linked list called an immut… |
| 1266 | Minimum Time Visiting All Points | 🟢 Easy | 1m 7s | The problem gives a sequence of points on a 2D coordinate plane. Ea… |
| 1267 | Count Servers that Communicate | 🟡 Medium | 1m 14s | The problem gives us a two dimensional grid representing a server c… |
| 1268 | Search Suggestions System | 🟡 Medium | 1m 14s | This problem asks us to build a product suggestion system similar t… |
| 1269 | Number of Ways to Stay in the Same Place After Some Steps | 🔴 Hard | 1m 19s | This problem asks us to count how many different ways a pointer can… |
| 1270 | All People Report to the Given Manager | 🟡 Medium | 46s | The problem asks us to identify all employees in a company who dire… |
| 1271 | Hexspeak | 🟢 Easy | 53s | The problem asks us to convert a decimal number given as a string i… |
| 1272 | Remove Interval | 🟡 Medium | 54s | The problem asks us to remove a given interval toBeRemoved from a l… |
| 1273 | Delete Tree Nodes | 🟡 Medium | 1m 3s | The problem provides a tree rooted at node 0, represented in two pa… |
| 1274 | Number of Ships in a Rectangle | 🔴 Hard | 44s | The problem presents an interactive scenario where ships are placed… |
| 1275 | Find Winner on a Tic Tac Toe Game | 🟢 Easy | 57s | This problem asks us to simulate a game of Tic-Tac-Toe on a 3 x 3 g… |
| 1276 | Number of Burgers with No Waste of Ingredients | 🟡 Medium | 1m 25s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1277 | Count Square Submatrices with All Ones | 🟡 Medium | 1m 29s | The problem gives us a binary matrix of size m x n, where every cel… |
| 1278 | Palindrome Partitioning III | 🔴 Hard | 1m 27s | The problem gives us a string s and an integer k. We are allowed to… |
| 1279 | Traffic Light Controlled Intersection | 🟢 Easy | 1m 22s | This problem asks us to design a thread-safe traffic light system f… |
| 1280 | Students and Examinations | 🟢 Easy | 1m 28s | This problem asks us to generate a complete report showing how many… |
| 1281 | Subtract the Product and Sum of Digits of an Integer | 🟢 Easy | 51s | The problem asks us to compute a simple mathematical transformation… |
| 1282 | Group the People Given the Group Size They Belong To | 🟡 Medium | 1m 24s | The problem gives us an array called groupSizes, where each index r… |
| 1283 | Find the Smallest Divisor Given a Threshold | 🟡 Medium | 48s | The problem asks us to find the smallest positive integer divisor f… |
| 1284 | Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | 🔴 Hard | 59s | The problem asks us to transform a given binary matrix mat into a z… |
| 1285 | Find the Start and End Number of Continuous Ranges | 🟡 Medium | 56s | Here’s a full technical solution guide for LeetCode 1285 following … |
| 1286 | Iterator for Combination | 🟡 Medium | 51s | The problem asks us to design a class CombinationIterator that gene… |
| 1287 | Element Appearing More Than 25% In Sorted Array | 🟢 Easy | 1m 8s | The problem gives us a sorted integer array in non-decreasing order… |
| 1288 | Remove Covered Intervals | 🟡 Medium | 1m 9s | The problem gives us a list of intervals, where each interval is re… |
| 1289 | Minimum Falling Path Sum II | 🔴 Hard | 46s | The problem asks us to compute the minimum sum of a falling path wi… |
| 1290 | Convert Binary Number in a Linked List to Integer | 🟢 Easy | 1m 7s | The problem gives us the head of a singly linked list where every n… |
| 1291 | Sequential Digits | 🟡 Medium | 46s | The problem asks us to find all integers within a given range [low,… |
| 1292 | Maximum Side Length of a Square with Sum Less than or Equal to Threshold | 🟡 Medium | 35s | That is a very large, multi-section request covering a full detaile… |
| 1293 | Shortest Path in a Grid with Obstacles Elimination | 🔴 Hard | 1m 42s | This problem asks us to find the minimum number of steps required t… |
| 1294 | Weather Type in Each Country | 🟢 Easy | 53s | This problem asks us to determine the weather type for each country… |
| 1295 | Find Numbers with Even Number of Digits | 🟢 Easy | 55s | The problem asks us to determine how many numbers in a given array … |
| 1296 | Divide Array in Sets of K Consecutive Numbers | 🟡 Medium | 1m 31s | The problem gives us an integer array nums and an integer k. We nee… |
| 1297 | Maximum Number of Occurrences of a Substring | 🟡 Medium | 2m 25s | Please provide the missing problem number or title you want the gui… |
| 1298 | Maximum Candies You Can Get from Boxes | 🔴 Hard | 48s | The problem asks us to determine the maximum number of candies we c… |
| 1299 | Replace Elements with Greatest Element on Right Side | 🟢 Easy | 1m 13s | The problem gives us an integer array arr and asks us to replace ev… |
| 1300 | Sum of Mutated Array Closest to Target | 🟡 Medium | 1m 28s | The problem gives us an integer array arr and an integer target. We… |
| 1301 | Number of Paths with Max Score | 🔴 Hard | 1m 43s | In this problem, we are given an n x n board where each cell contai… |
| 1302 | Deepest Leaves Sum | 🟡 Medium | 2m 21s | That is a long, comprehensive reference document with multiple sect… |
| 1303 | Find the Team Size | 🟢 Easy | 1m 5s | This problem provides a database table named Employee, where every … |
| 1304 | Find N Unique Integers Sum up to Zero | 🟢 Easy | 54s | The problem asks us to construct an array containing exactly n uniq… |
| 1305 | All Elements in Two Binary Search Trees | 🟡 Medium | 1m 20s | The problem gives us two binary search trees, root1 and root2. A bi… |
| 1306 | Jump Game III | 🟡 Medium | 1m 19s | The problem gives us an array of non-negative integers and a starti… |
| 1307 | Verbal Arithmetic Puzzle | 🔴 Hard | 1m 34s | The problem gives a collection of words on the left side of an equa… |
| 1308 | Running Total for Different Genders | 🟡 Medium | 55s | The problem is asking us to compute cumulative scores for each gend… |
| 1309 | Decrypt String from Alphabet to Integer Mapping | 🟢 Easy | 1m 17s | The problem gives us a string containing digits and the '' characte… |
| 1310 | XOR Queries of a Subarray | 🟡 Medium | 46s | You asked for the complete guide in a single response, but your pre… |
| 1311 | Get Watched Videos by Your Friends | 🟡 Medium | 1m 33s | This problem models a social network as an undirected graph. Each p… |
| 1312 | Minimum Insertion Steps to Make a String Palindrome | 🔴 Hard | 1m 25s | Edit The problem gives us a string s and asks for the minimum numbe… |
| 1313 | Decompress Run-Length Encoded List | 🟢 Easy | 1m 13s | This problem asks us to reconstruct an array that was compressed us… |
| 1314 | Matrix Block Sum | 🟡 Medium | 59s | The problem requires computing a matrix block sum. Given a matrix m… |
| 1315 | Sum of Nodes with Even-Valued Grandparent | 🟡 Medium | 2m 26s | That is a long, structured reference document and will exceed a sin… |
| 1316 | Distinct Echo Substrings | 🔴 Hard | 59s | The problem asks us to find the number of distinct non-empty substr… |
| 1317 | Convert Integer to the Sum of Two No-Zero Integers | 🟢 Easy | 1m 10s | The problem asks us to split a given integer n into two positive in… |
| 1318 | Minimum Flips to Make a OR b Equal to c | 🟡 Medium | 1m 5s | The problem gives us three positive integers, a, b, and c. We are a… |
| 1319 | Number of Operations to Make Network Connected | 🟡 Medium | 1m 29s | This problem models a computer network as an undirected graph. Each… |
| 1320 | Minimum Distance to Type a Word Using Two Fingers | 🔴 Hard | 1m 30s | The keyboard is arranged in a fixed grid layout containing the 26 u… |
| 1321 | Restaurant Growth | 🟡 Medium | 1m 38s | This problem asks us to compute a rolling seven day summary of rest… |
| 1322 | Ads Performance | 🟢 Easy | 1m 12s | This problem asks us to calculate the Click-Through Rate, abbreviat… |
| 1323 | Maximum 69 Number | 🟢 Easy | 1m 7s | The problem gives us a positive integer num that contains only the … |
| 1324 | Print Words Vertically | 🟡 Medium | 51s | The problem requires us to take a string s containing multiple word… |
| 1325 | Delete Leaves With a Given Value | 🟡 Medium | 1m 27s | This problem asks us to repeatedly remove leaf nodes from a binary … |
| 1326 | Minimum Number of Taps to Open to Water a Garden | 🔴 Hard | 1m 24s | The problem describes a one-dimensional garden that stretches from … |
| 1327 | List the Products Ordered in a Period | 🟢 Easy | 54s | The problem asks us to list all products that have been ordered in … |
| 1328 | Break a Palindrome | 🟡 Medium | 1m 1s | The problem asks us to modify a given palindromic string in such a … |
| 1329 | Sort the Matrix Diagonally | 🟡 Medium | 1m 34s | The problem asks us to sort every diagonal of a matrix independentl… |
| 1330 | Reverse Subarray To Maximize Array Value | 🔴 Hard | 1m 29s | The problem gives us an integer array nums and defines the "value" … |
| 1331 | Rank Transform of an Array | 🟢 Easy | 1m 11s | The problem asks us to replace every number in the input array with… |
| 1332 | Remove Palindromic Subsequences | 🟢 Easy | 1m 11s | The problem gives us a string s that contains only the characters '… |
| 1333 | Filter Restaurants by Vegan-Friendly, Price and Distance | 🟡 Medium | 1m 3s | The problem is asking us to filter and sort a list of restaurants b… |
| 1334 | Find the City With the Smallest Number of Neighbors at a Threshold Distance | 🟡 Medium | 1m 46s | Edit This problem gives us a weighted, undirected graph where each … |
| 1335 | Minimum Difficulty of a Job Schedule | 🔴 Hard | 1m 28s | The problem gives us an array jobDifficulty, where each element rep… |
| 1336 | Number of Transactions per Visit | 🔴 Hard | 59s | The problem asks us to analyze two database tables, Visits and Tran… |
| 1337 | The K Weakest Rows in a Matrix | 🟢 Easy | 59s | Here is a comprehensive, detailed solution guide for LeetCode 1337 … |
| 1338 | Reduce Array Size to The Half | 🟡 Medium | 1m 27s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1339 | Maximum Product of Splitted Binary Tree | 🟡 Medium | 2m 22s | That is a long, structured technical document with multiple require… |
| 1340 | Jump Game V | 🔴 Hard | 47s | Here is a comprehensive solution guide for LeetCode 1340 following … |
| 1341 | Movie Rating | 🟡 Medium | 1m 8s | This problem works with three relational database tables: Movies, U… |
| 1342 | Number of Steps to Reduce a Number to Zero | 🟢 Easy | 1m 13s | The problem gives us a non-negative integer num and asks us to comp… |
| 1343 | Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | 🟡 Medium | 1m 15s | This problem asks us to count how many contiguous subarrays of leng… |
| 1344 | Angle Between Hands of a Clock | 🟡 Medium | 1m 2s | This problem asks us to compute the smaller angle formed between th… |
| 1345 | Jump Game IV | 🔴 Hard | 59s | The problem is asking for the minimum number of steps required to r… |
| 1346 | Check If N and Its Double Exist | 🟢 Easy | 1m 40s | The problem gives an integer array arr and asks whether there exist… |
| 1347 | Minimum Number of Steps to Make Two Strings Anagram | 🟡 Medium | 1m 22s | This problem asks us to determine the minimum number of character r… |
| 1348 | Tweet Counts Per Frequency | 🟡 Medium | 56s | The problem is asking us to design a system that tracks tweets by t… |
| 1349 | Maximum Students Taking Exam | 🔴 Hard | 35s | LeetCode 1349 is long and detailed enough that a complete high qual… |
| 1350 | Students With Invalid Departments | 🟢 Easy | 1m 13s | This problem asks us to identify students who are enrolled in unive… |
| 1351 | Count Negative Numbers in a Sorted Matrix | 🟢 Easy | 49s | The problem asks us to count all the negative numbers in a 2D matri… |
| 1352 | Product of the Last K Numbers | 🟡 Medium | 1m 7s | This problem asks us to design a data structure that continuously p… |
| 1353 | Maximum Number of Events That Can Be Attended | 🟡 Medium | 1m 32s | The problem gives us a list of events, where each event is represen… |
| 1354 | Construct Target Array With Multiple Sums | 🔴 Hard | 58s | The problem asks whether it is possible to construct a given target… |
| 1355 | Activity Participants | 🟡 Medium | 1m 3s | This problem asks us to analyze participation counts for different … |
| 1356 | Sort Integers by The Number of 1 Bits | 🟢 Easy | 54s | The problem asks us to sort an integer array arr based on the numbe… |
| 1357 | Apply Discount Every n Orders | 🟡 Medium | 1m 7s | The problem describes a supermarket that sells products identified … |
| 1358 | Number of Substrings Containing All Three Characters | 🟡 Medium | 54s | The problem asks us to count all substrings of a given string s tha… |
| 1359 | Count All Valid Pickup and Delivery Options | 🔴 Hard | 45s | This problem asks us to count the number of valid sequences for per… |
| 1360 | Number of Days Between Two Dates | 🟢 Easy | 1m 16s | The problem gives two dates in the format YYYY-MM-DD and asks us to… |
| 1361 | Validate Binary Tree Nodes | 🟡 Medium | 1m 26s | The problem gives us n nodes labeled from 0 to n - 1. For every nod… |
| 1362 | Closest Divisors | 🟡 Medium | 1m 8s | The problem gives us an integer num, and asks us to find two intege… |
| 1363 | Largest Multiple of Three | 🔴 Hard | 36s | I can do that, but the guide will be very long and may get truncate… |
| 1364 | Number of Trusted Contacts of a Customer | 🟡 Medium | 54s | This problem asks us to analyze relationships between customers, th… |
| 1365 | How Many Numbers Are Smaller Than the Current Number | 🟢 Easy | 1m 3s | The problem asks us to determine, for each element in an array, how… |
| 1366 | Rank Teams by Votes | 🟡 Medium | 1m 13s | The problem describes a voting based ranking system where every vot… |
| 1367 | Linked List in Binary Tree | 🟡 Medium | 1m 18s | This problem asks whether a linked list appears as a continuous dow… |
| 1368 | Minimum Cost to Make at Least One Valid Path in a Grid | 🔴 Hard | 1m 19s | This problem gives us a two dimensional grid where every cell conta… |
| 1369 | Get the Second Most Recent Activity | 🔴 Hard | 1m 43s | The problem gives us a database table named UserActivity that store… |
| 1370 | Increasing Decreasing String | 🟢 Easy | 54s | The problem requires us to reorder a string s by repeatedly picking… |
| 1371 | Find the Longest Substring Containing Vowels in Even Counts | 🟡 Medium | 1m 1s | This problem asks us to find the length of the longest contiguous s… |
| 1372 | Longest ZigZag Path in a Binary Tree | 🟡 Medium | 1m 20s | In this problem, we are given the root node of a binary tree, and w… |
| 1373 | Maximum Sum BST in Binary Tree | 🔴 Hard | 1m 31s | This problem asks us to examine every possible subtree inside a bin… |
| 1374 | Generate a String With Characters That Have Odd Counts | 🟢 Easy | 1m 1s | The problem asks us to generate a string of length n such that each… |
| 1375 | Number of Times Binary String Is Prefix-Aligned | 🟡 Medium | 1m 3s | The problem asks us to determine how many times a binary string bec… |
| 1376 | Time Needed to Inform All Employees | 🟡 Medium | 1m | The problem asks us to calculate the total time it takes for a piec… |
| 1377 | Frog Position After T Seconds | 🔴 Hard | 1m 32s | This problem describes a frog moving through an undirected tree. A … |
| 1378 | Replace Employee ID With The Unique Identifier | 🟢 Easy | 1m 30s | This problem asks us to combine information from two database table… |
| 1379 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | 🟢 Easy | 5m 1s | The traversal is by reference, not value. |
| 1380 | Lucky Numbers in a Matrix | 🟢 Easy | 1m 10s | This problem asks us to identify all lucky numbers in a given matri… |
| 1381 | Design a Stack With Increment Operation | 🟡 Medium | 2m 20s | This problem requires designing a specialized stack data structure,… |
| 1382 | Balance a Binary Search Tree | 🟡 Medium | 1m 11s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1383 | Maximum Performance of a Team | 🔴 Hard | 1m 35s | This problem asks us to build a team of at most k engineers such th… |
| 1384 | Total Sales Amount by Year | 🔴 Hard | 1m 26s | This is a SQL database problem where we need to calculate the total… |
| 1385 | Find the Distance Value Between Two Arrays | 🟢 Easy | 56s | The problem is asking us to compute the distance value between two … |
| 1386 | Cinema Seat Allocation | 🟡 Medium | 1m 10s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1387 | Sort Integers by The Power Value | 🟡 Medium | 1m 15s | This problem asks us to rank integers according to a special metric… |
| 1388 | Pizza With 3n Slices | 🔴 Hard | 1m 39s | In this problem, we are given a circular pizza divided into 3n slic… |
| 1389 | Create Target Array in the Given Order | 🟢 Easy | 1m 4s | This problem asks us to build a new array called target by followin… |
| 1390 | Four Divisors | 🟡 Medium | 1m 8s | The problem asks us to calculate the sum of divisors for numbers in… |
| 1391 | Check if There is a Valid Path in a Grid | 🟡 Medium | 1m 16s | The problem presents a grid where each cell represents a street seg… |
| 1392 | Longest Happy Prefix | 🔴 Hard | 1m 27s | The problem asks us to find the longest substring that is both a pr… |
| 1393 | Capital Gain/Loss | 🟡 Medium | 1m 20s | The Stocks table records stock trading activity. Each row represent… |
| 1394 | Find Lucky Integer in an Array | 🟢 Easy | 1m 6s | This problem asks us to identify a special number in an array calle… |
| 1395 | Count Number of Teams | 🟡 Medium | 1m 4s | The problem asks us to count the number of valid teams of three sol… |
| 1396 | Design Underground System | 🟡 Medium | 1m 26s | This problem asks us to design a small tracking system for an under… |
| 1397 | Find All Good Strings | 🔴 Hard | 1m 32s | The problem asks us to count how many strings of length n satisfy t… |
| 1398 | Customers Who Bought Products A and B but Not C | 🟡 Medium | 1m 2s | The problem asks us to identify customers who meet a very specific … |
| 1399 | Count Largest Group | 🟢 Easy | 1m 21s | The problem asks us to group all integers from 1 to n based on the … |
| 1400 | Construct K Palindrome Strings | 🟡 Medium | 1m 12s | The problem is asking whether a given string s can be rearranged to… |
| 1401 | Circle and Rectangle Overlapping | 🟡 Medium | 4m 28s | The problem gives two geometric shapes: 1. A circle, defined by: - … |
| 1402 | Reducing Dishes | 🔴 Hard | 1m 9s | In this problem, we are given an integer array called satisfaction,… |
| 1403 | Minimum Subsequence in Non-Increasing Order | 🟢 Easy | 1m 24s | The problem gives an integer array nums and asks us to build a subs… |
| 1404 | Number of Steps to Reduce a Number in Binary Representation to One | 🟡 Medium | 1m 10s | The problem gives us a binary number represented as a string s. Our… |
| 1405 | Longest Happy String | 🟡 Medium | 1m 28s | The problem asks us to construct the longest possible string using … |
| 1406 | Stone Game III | 🔴 Hard | 1m 25s | In this game, two players, Alice and Bob, take turns removing stone… |
| 1407 | Top Travellers | 🟢 Easy | 1m 26s | This problem gives us two database tables, Users and Rides. The Use… |
| 1408 | String Matching in an Array | 🟢 Easy | 1m 4s | You included two different problems in one message, and the second … |
| 1409 | Queries on a Permutation With Key | 🟡 Medium | 1m 12s | This problem asks us to simulate a dynamic permutation of integers … |
| 1410 | HTML Entity Parser | 🟡 Medium | 1m 13s | Here is a complete, detailed technical guide for LeetCode 1410 foll… |
| 1411 | Number of Ways to Paint N \u00d7 3 Grid | 🔴 Hard | 1m 1s | The problem asks us to determine the number of ways to paint a grid… |
| 1412 | Find the Quiet Students in All Exams | 🔴 Hard | 2m 4s | This problem asks us to identify students who are "quiet" across al… |
| 1413 | Minimum Value to Get Positive Step by Step Sum | 🟢 Easy | 7m | The problem gives us an integer array nums and asks us to determine… |
| 1414 | Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | 🟡 Medium | 1m 2s | The problem asks us to find the minimum number of Fibonacci numbers… |
| 1415 | The k-th Lexicographical String of All Happy Strings of Length n | 🟡 Medium | 2m 53s | The problem asks us to generate strings of length n using only the … |
| 1416 | Restore The Array | 🔴 Hard | 1m 5s | The problem gives us a string s that represents several positive in… |
| 1417 | Reformat The String | 🟢 Easy | 1m 8s | The problem gives us an alphanumeric string s that contains only lo… |
| 1418 | Display Table of Food Orders in a Restaurant | 🟡 Medium | 1m 42s | The problem gives a list of restaurant orders. Each order contains … |
| 1419 | Minimum Number of Frogs Croaking | 🟡 Medium | 1m | The problem asks us to determine the minimum number of frogs needed… |
| 1420 | Build Array Where You Can Find The Maximum Exactly K Comparisons | 🔴 Hard | 1m 4s | This problem asks us to count the number of arrays of length n wher… |
| 1421 | NPV Queries | 🟢 Easy | 47s | The problem presents two database tables: NPV and Queries. The NPV … |
| 1422 | Maximum Score After Splitting a String | 🟢 Easy | 1m 21s | The problem gives us a binary string s, meaning the string contains… |
| 1423 | Maximum Points You Can Obtain from Cards | 🟡 Medium | 59s | The problem asks us to maximize the total points we can collect fro… |
| 1424 | Diagonal Traverse II | 🟡 Medium | 1m 10s | The problem asks us to traverse a jagged 2D integer array nums diag… |
| 1425 | Constrained Subsequence Sum | 🔴 Hard | 2m 20s | That is a long, structured reference document. To make sure I targe… |
| 1426 | Counting Elements | 🟢 Easy | 2m 21s | The problem asks us to count the number of elements in an array arr… |
| 1427 | Perform String Shifts | 🟢 Easy | 1m 13s | This problem asks us to simulate a sequence of string shift operati… |
| 1428 | Leftmost Column with at Least a One | 🟡 Medium | 1m 23s | This problem gives us access to a binary matrix where every row is … |
| 1429 | First Unique Number | 🟡 Medium | 1m 12s | The problem requires designing a data structure that can efficientl… |
| 1430 | Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree | 🟡 Medium | 56s | The problem asks us to determine whether a given array of integers … |
| 1431 | Kids With the Greatest Number of Candies | 🟢 Easy | 1m 1s | This problem asks us to determine which children could potentially … |
| 1432 | Max Difference You Can Get From Changing an Integer | 🟡 Medium | 1m 8s | The problem gives us an integer num, and we are allowed to perform … |
| 1433 | Check If a String Can Break Another String | 🟡 Medium | 56s | The problem asks us to determine whether one string can "break" ano… |
| 1434 | Number of Ways to Wear Different Hats to Each Other | 🔴 Hard | 1m 17s | This problem asks us to count how many valid ways exist to assign h… |
| 1435 | Create a Session Bar Chart | 🟢 Easy | 1m 8s | The problem provides a database table named Sessions with two colum… |
| 1436 | Destination City | 🟢 Easy | 1m 9s | In this problem, we are given a list of directed paths between citi… |
| 1437 | Check If All 1's Are at Least Length K Places Away | 🟢 Easy | 1m 6s | The problem asks us to check whether all 1s in a given binary array… |
| 1438 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | 🟡 Medium | 52s | The problem asks us to find the length of the longest contiguous su… |
| 1439 | Find the Kth Smallest Sum of a Matrix With Sorted Rows | 🔴 Hard | 58s | The problem requires finding the kth smallest sum obtainable by sel… |
| 1440 | Evaluate Boolean Expression | 🟡 Medium | 1m 12s | This problem asks us to evaluate boolean expressions stored in a da… |
| 1441 | Build an Array With Stack Operations | 🟡 Medium | 1m 21s | The problem gives us a strictly increasing array called target and … |
| 1442 | Count Triplets That Can Form Two Arrays of Equal XOR | 🟡 Medium | 1m 9s | The problem asks us to find the number of triplets (i, j, k) in an … |
| 1443 | Minimum Time to Collect All Apples in a Tree | 🟡 Medium | 1m 6s | The problem is asking for the minimum time required to collect all … |
| 1444 | Number of Ways of Cutting a Pizza | 🔴 Hard | 1m 25s | Edit This problem asks us to count the number of valid ways to divi… |
| 1445 | Apples & Oranges | 🟡 Medium | 1m 32s | This problem provides a database table named Sales that stores the … |
| 1446 | Consecutive Characters | 🟢 Easy | 1m 5s | The problem asks us to compute the power of a string. The power is … |
| 1447 | Simplified Fractions | 🟡 Medium | 1m 4s | The problem asks us to generate all simplified fractions between 0 … |
| 1448 | Count Good Nodes in Binary Tree | 🟡 Medium | 1m 22s | The problem gives us the root of a binary tree and asks us to count… |
| 1449 | Form Largest Integer With Digits That Add up to Target | 🔴 Hard | 1m 22s | This problem asks us to construct the numerically largest possible … |
| 1450 | Number of Students Doing Homework at a Given Time | 🟢 Easy | 57s | This problem asks us to determine how many students are doing homew… |
| 1451 | Rearrange Words in a Sentence | 🟡 Medium | 1m 37s | The problem gives us a sentence where words are separated by single… |
| 1452 | People Whose List of Favorite Companies Is Not a Subset of Another List | 🟡 Medium | 55s | The problem requires identifying all people in a group whose list o… |
| 1453 | Maximum Number of Darts Inside of a Circular Dartboard | 🔴 Hard | 1m 19s | In this problem, we are given the coordinates of several darts thro… |
| 1454 | Active Users | 🟡 Medium | 1m 7s | The problem asks us to identify active users from a database contai… |
| 1455 | Check If a Word Occurs As a Prefix of Any Word in a Sentence | 🟢 Easy | 52s | The problem asks us to determine whether a given searchWord occurs … |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | 🟡 Medium | 56s | This problem asks us to determine the maximum number of vowels that… |
| 1457 | Pseudo-Palindromic Paths in a Binary Tree | 🟡 Medium | 1m 19s | This problem asks us to count how many root to leaf paths in a bina… |
| 1458 | Max Dot Product of Two Subsequences | 🔴 Hard | 1m 14s | The problem is asking to find the maximum dot product of two non-em… |
| 1459 | Rectangles Area | 🟡 Medium | 1m 10s | You included two different problems in one message, and the second … |
| 1460 | Make Two Arrays Equal by Reversing Subarrays | 🟢 Easy | 1m 20s | This problem asks whether one integer array, arr, can be transforme… |
| 1461 | Check If a String Contains All Binary Codes of Size K | 🟡 Medium | 1m 24s | The problem gives us a binary string s and an integer k. A binary s… |
| 1462 | Course Schedule IV | 🟡 Medium | 1m 38s | This problem gives us a directed acyclic graph representing course … |
| 1463 | Cherry Pickup II | 🔴 Hard | 1m 16s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1464 | Maximum Product of Two Elements in an Array | 🟢 Easy | 1m 15s | The problem gives an integer array nums, and asks us to choose two … |
| 1465 | Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts | 🟡 Medium | 1m 8s | This problem gives us a rectangular cake with height h and width w.… |
| 1466 | Reorder Routes to Make All Paths Lead to the City Zero | 🟡 Medium | 1m 26s | The problem gives us a directed graph of cities connected by roads.… |
| 1467 | Probability of a Two Boxes Having The Same Number of Distinct Balls | 🔴 Hard | 1m 24s | The problem gives us several colors of balls, where balls[i] repres… |
| 1468 | Calculate Salaries | 🟡 Medium | 1m | This problem asks us to compute the post tax salary for every emplo… |
| 1469 | Find All The Lonely Nodes | 🟢 Easy | 1m 17s | This problem asks us to traverse a binary tree and identify every n… |
| 1470 | Shuffle the Array | 🟢 Easy | 1m 18s | The problem gives us an array nums with exactly 2n elements. The st… |
| 1471 | The k Strongest Values in an Array | 🟡 Medium | 1m 16s | This problem asks us to find the k strongest values in an array acc… |
| 1472 | Design Browser History | 🟡 Medium | 54s | The problem is asking us to simulate a single-tab browser with a hi… |
| 1473 | Paint House III | 🔴 Hard | 1m 20s | This problem asks us to paint a row of houses while satisfying two … |
| 1474 | Delete N Nodes After M Nodes of a Linked List | 🟢 Easy | 1m 11s | This problem gives us the head of a singly linked list and two inte… |
| 1475 | Final Prices With a Special Discount in a Shop | 🟢 Easy | 1m 2s | The problem presents a scenario where you are buying items in a sho… |
| 1476 | Subrectangle Queries | 🟡 Medium | 1m 40s | The problem asks us to design a class called SubrectangleQueries th… |
| 1477 | Find Two Non-overlapping Sub-arrays Each With Target Sum | 🟡 Medium | 1m 19s | The problem asks us to find two different subarrays inside the give… |
| 1478 | Allocate Mailboxes | 🔴 Hard | 1m 39s | Here’s a complete, detailed technical solution guide for LeetCode 1… |
| 1479 | Sales by Day of the Week | 🔴 Hard | 1m 7s | The problem asks us to generate a sales report that summarizes the … |
| 1480 | Running Sum of 1d Array | 🟢 Easy | 1m 1s | The problem asks us to compute the running sum, also called the pre… |
| 1481 | Least Number of Unique Integers after K Removals | 🟡 Medium | 58s | This problem asks us to minimize the number of unique integers in a… |
| 1482 | Minimum Number of Days to Make m Bouquets | 🟡 Medium | 48s | This problem asks us to determine the minimum number of days requir… |
| 1483 | Kth Ancestor of a Tree Node | 🔴 Hard | 1m 35s | The problem gives us a rooted tree with n nodes labeled from 0 to n… |
| 1484 | Group Sold Products By The Date | 🟢 Easy | 1m 29s | The problem gives us a database table named Activities with two col… |
| 1485 | Clone Binary Tree With Random Pointer | 🟡 Medium | 2m 24s | That’s a detailed reference guide with multiple required sections a… |
| 1486 | XOR Operation in an Array | 🟢 Easy | 1m | The problem gives us two integers, n and start. We must construct a… |
| 1487 | Making File Names Unique | 🟡 Medium | 1m 33s | The problem asks us to simulate how a file system assigns folder na… |
| 1488 | Avoid Flood in The City | 🟡 Medium | 55s | The problem asks us to simulate rainfall over a series of lakes and… |
| 1489 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | 🔴 Hard | 1m 50s | The problem gives us a connected, weighted, undirected graph with n… |
| 1490 | Clone N-ary Tree | 🟡 Medium | 1m 10s | This problem asks us to create a deep copy of an N-ary tree. An N-a… |
| 1491 | Average Salary Excluding the Minimum and Maximum Salary | 🟢 Easy | 1m 8s | The problem gives us an array called salary, where each element rep… |
| 1492 | The kth Factor of n | 🟡 Medium | 1m 16s | The problem asks us to find the kth factor of a positive integer n,… |
| 1493 | Longest Subarray of 1's After Deleting One Element | 🟡 Medium | 52s | This problem asks us to find the longest contiguous subarray of 1s … |
| 1494 | Parallel Courses II | 🔴 Hard | 51s | The problem asks us to determine the minimum number of semesters re… |
| 1495 | Friendly Movies Streamed Last Month | 🟢 Easy | 1m 30s | This problem asks us to find the titles of movies that satisfy thre… |
| 1496 | Path Crossing | 🟢 Easy | 53s | This problem asks us to simulate movement on a 2D plane according t… |
| 1497 | Check If Array Pairs Are Divisible by k | 🟡 Medium | 50s | I can do that, but the full guide at the level of detail you reques… |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | 🟡 Medium | 54s | The problem asks us to find the number of non-empty subsequences of… |
| 1499 | Max Value of Equation | 🔴 Hard | 1m 8s | This guide will focus on the optimal monotonic queue solution, whic… |
| 1500 | Design a File Sharing System | 🟡 Medium | 1m 26s | This problem asks us to design a miniature peer-to-peer file sharin… |
| 1501 | Countries You Can Safely Invest In | 🟡 Medium | 1m 2s | This is a SQL database problem where we need to identify countries … |
| 1502 | Can Make Arithmetic Progression From Sequence | 🟢 Easy | 52s | The problem asks us to determine whether the elements of a given ar… |
| 1503 | Last Moment Before All Ants Fall Out of a Plank | 🟡 Medium | 55s | The problem describes a plank of length n on which ants are walking… |
| 1504 | Count Submatrices With All Ones | 🟡 Medium | 1m 34s | The problem gives us an m x n binary matrix where each cell contain… |
| 1505 | Minimum Possible Integer After at Most K Adjacent Swaps On Digits | 🔴 Hard | 1m 16s | The problem gives us a numeric string num and an integer k. Each op… |
| 1506 | Find Root of N-Ary Tree | 🟡 Medium | 1m 7s | This problem gives us every node of an N-ary tree in an arbitrary o… |
| 1507 | Reformat Date | 🟢 Easy | 1m 14s | The problem gives a date string in a human readable format such as … |
| 1508 | Range Sum of Sorted Subarray Sums | 🟡 Medium | 56s | The problem requires calculating the sum of a subrange of all possi… |
| 1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | 🟡 Medium | 1m 9s | The problem gives us an integer array nums, and we are allowed to p… |
| 1510 | Stone Game IV | 🔴 Hard | 1m 11s | This problem is a two-player combinatorial game problem where Alice… |
| 1511 | Customer Order Frequency | 🟢 Easy | 58s | This problem asks us to identify customers who consistently spend a… |
| 1512 | Number of Good Pairs | 🟢 Easy | 1m 16s | The problem gives us an integer array nums and asks us to count how… |
| 1513 | Number of Substrings With Only 1s | 🟡 Medium | 1m 7s | The problem gives a binary string s, consisting only of the charact… |
| 1514 | Path with Maximum Probability | 🟡 Medium | 55s | Your requested guide is substantial enough that a high quality vers… |
| 1515 | Best Position for a Service Centre | 🔴 Hard | 52s | The problem asks us to find the optimal location for a service cent… |
| 1516 | Move Sub-Tree of N-Ary Tree | 🔴 Hard | 1m 45s | This problem asks us to modify the structure of an N-ary tree by mo… |
| 1517 | Find Users With Valid E-Mails | 🟢 Easy | 1m 24s | This problem asks us to query a database table named Users and retu… |
| 1518 | Water Bottles | 🟢 Easy | 40s | The problem is asking us to determine the maximum number of water b… |
| 1519 | Number of Nodes in the Sub-Tree With the Same Label | 🟡 Medium | 49s | The problem gives us a tree with n nodes numbered from 0 to n - 1. … |
| 1520 | Maximum Number of Non-Overlapping Substrings | 🔴 Hard | 1m 18s | This problem asks us to select as many non-overlapping substrings a… |
| 1521 | Find a Value of a Mysterious Function Closest to Target | 🔴 Hard | 1m 10s | The problem defines a mysterious function func(arr, l, r) that comp… |
| 1522 | Diameter of N-Ary Tree | 🟡 Medium | 1m 12s | This problem asks us to compute the diameter of an N-ary tree. An N… |
| 1523 | Count Odd Numbers in an Interval Range | 🟢 Easy | 1m 37s | The problem gives two non-negative integers, low and high, represen… |
| 1524 | Number of Sub-arrays With Odd Sum | 🟡 Medium | 54s | The problem asks us to count the number of subarrays within a given… |
| 1525 | Number of Good Ways to Split a String | 🟡 Medium | 1m 26s | The problem asks us to count how many ways we can split a string in… |
| 1526 | Minimum Number of Increments on Subarrays to Form a Target Array | 🔴 Hard | 1m 28s | The problem gives us a target array and asks us to build it startin… |
| 1527 | Patients With a Condition | 🟢 Easy | 1m 29s | The problem asks us to query a database table Patients and return t… |
| 1528 | Shuffle String | 🟢 Easy | 1m 4s | The problem asks us to take a string s and an integer array indices… |
| 1529 | Minimum Suffix Flips | 🟡 Medium | 53s | This problem is asking us to transform an initial binary string s (… |
| 1530 | Number of Good Leaf Nodes Pairs | 🟡 Medium | 1m 29s | This problem gives us the root of a binary tree and an integer dist… |
| 1531 | String Compression II | 🔴 Hard | 1m 30s | The problem asks us to minimize the length of a run-length encoded … |
| 1532 | The Most Recent Three Orders | 🟡 Medium | 1m 8s | This problem asks us to retrieve the three most recent orders for e… |
| 1533 | Find the Index of the Large Integer | 🟡 Medium | 53s | The problem presents an array arr where all elements are equal exce… |
| 1534 | Count Good Triplets | 🟢 Easy | 1m 25s | The problem asks us to count the number of good triplets in an inte… |
| 1535 | Find the Winner of an Array Game | 🟡 Medium | 1m 11s | The problem describes a competitive game played on an array of dist… |
| 1536 | Minimum Swaps to Arrange a Binary Grid | 🟡 Medium | 1m 32s | The problem gives us an n x n binary matrix called grid. Each cell … |
| 1537 | Get the Maximum Score | 🔴 Hard | 49s | Here’s a complete, detailed technical solution guide for LeetCode 1… |
| 1538 | Guess the Majority in a Hidden Array | 🟡 Medium | 1m 46s | This problem is an interactive problem. We do not receive the actua… |
| 1539 | Kth Missing Positive Number | 🟢 Easy | 1m 12s | The problem gives us a strictly increasing array of positive intege… |
| 1540 | Can Convert String in K Moves | 🟡 Medium | 55s | The problem is asking whether it is possible to convert one string … |
| 1541 | Minimum Insertions to Balance a Parentheses String | 🟡 Medium | 1m 15s | This problem asks us to transform a string of parentheses into a sp… |
| 1542 | Find Longest Awesome Substring | 🔴 Hard | 53s | The problem asks us to find the length of the longest awesome subst… |
| 1543 | Fix Product Name Format | 🟢 Easy | 54s | The problem asks us to clean and aggregate sales data from a Sales … |
| 1544 | Make The String Great | 🟢 Easy | 46s | The problem asks us to process a string s consisting of lowercase a… |
| 1545 | Find Kth Bit in Nth Binary String | 🟡 Medium | 1m 20s | The problem defines a recursively constructed binary string sequenc… |
| 1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | 🟡 Medium | 1m | This problem asks us to find the maximum number of non-overlapping … |
| 1547 | Minimum Cost to Cut a Stick | 🔴 Hard | 59s | The problem asks us to determine the minimum total cost of cutting … |
| 1548 | The Most Similar Path in a Graph | 🔴 Hard | 1m 52s | The problem gives us an undirected connected graph where each node … |
| 1549 | The Most Recent Orders for Each Product | 🟡 Medium | 1m 37s | This problem asks us to find the most recent order for every produc… |
| 1550 | Three Consecutive Odds | 🟢 Easy | 51s | This problem asks us to examine a list of integers, arr, and determ… |
| 1551 | Minimum Operations to Make Array Equal | 🟡 Medium | 51s | The problem presents an array arr of length n where each element is… |
| 1552 | Magnetic Force Between Two Balls | 🟡 Medium | 48s | The problem asks us to distribute m balls into n baskets located at… |
| 1553 | Minimum Number of Days to Eat N Oranges | 🔴 Hard | 1m 18s | This problem asks us to compute the minimum number of days required… |
| 1554 | Strings Differ by One Character | 🟡 Medium | 1m 15s | This problem gives us an array of unique strings called dict, where… |
| 1555 | Bank Account Summary | 🟡 Medium | 1m 33s | The problem gives us two database tables, Users and Transactions, a… |
| 1556 | Thousand Separator | 🟢 Easy | 1m 9s | The problem asks us to format a non-negative integer so that every … |
| 1557 | Minimum Number of Vertices to Reach All Nodes | 🟡 Medium | 54s | The problem is asking us to identify the minimum set of vertices in… |
| 1558 | Minimum Numbers of Function Calls to Make Target Array | 🟡 Medium | 55s | This problem asks us to transform an initial array arr of zeros int… |
| 1559 | Detect Cycles in 2D Grid | 🟡 Medium | 55s | The problem asks us to detect cycles in a 2D grid of characters whe… |
| 1560 | Most Visited Sector in a Circular Track | 🟢 Easy | 1m 22s | In this problem, we are given a circular track divided into n secto… |
| 1561 | Maximum Number of Coins You Can Get | 🟡 Medium | 1m 21s | The problem gives us an array called piles, where each element repr… |
| 1562 | Find Latest Group of Size M | 🟡 Medium | 1m 31s | Edit This problem gives us a permutation array arr containing integ… |
| 1563 | Stone Game V | 🔴 Hard | 1m 31s | In this game, we are given an array stoneValue where each element r… |
| 1564 | Put Boxes Into the Warehouse I | 🟡 Medium | 1m 32s | The problem gives us two arrays: - boxes, where each value represen… |
| 1565 | Unique Orders and Customers Per Month | 🟢 Easy | 39s | This problem requires analyzing a table of orders to calculate mont… |
| 1566 | Detect Pattern of Length M Repeated K or More Times | 🟢 Easy | 1m 18s | The problem gives us an integer array arr and two integers, m and k… |
| 1567 | Maximum Length of Subarray With Positive Product | 🟡 Medium | 1m 25s | The problem asks us to find the length of the longest contiguous su… |
| 1568 | Minimum Number of Days to Disconnect Island | 🔴 Hard | 1m 34s | The problem gives us a binary matrix where each cell is either land… |
| 1569 | Number of Ways to Reorder Array to Get Same BST | 🔴 Hard | 1m 27s | The problem gives us a permutation of integers from 1 to n, and we … |
| 1570 | Dot Product of Two Sparse Vectors | 🟡 Medium | 1m 21s | This problem asks us to efficiently compute the dot product between… |
| 1571 | Warehouse Manager | 🟢 Easy | 1m 40s | This problem asks us to calculate the total storage volume occupied… |
| 1572 | Matrix Diagonal Sum | 🟢 Easy | 1m 7s | The problem gives us a square matrix mat of size n x n. A square ma… |
| 1573 | Number of Ways to Split a String | 🟡 Medium | 1m 28s | The problem gives us a binary string s, meaning the string contains… |
| 1574 | Shortest Subarray to be Removed to Make Array Sorted | 🟡 Medium | 48s | Please provide the full problem statement or LeetCode number you wa… |
| 1575 | Count All Possible Routes | 🔴 Hard | 1m 24s | This problem gives us a set of cities positioned on a number line. … |
| 1576 | Replace All ?'s to Avoid Consecutive Repeating Characters | 🟢 Easy | 44s | This problem asks us to take a string s consisting of lowercase Eng… |
| 1577 | Number of Ways Where Square of Number Is Equal to Product of Two Numbers | 🟡 Medium | 1m 35s | The problem gives us two integer arrays, nums1 and nums2. We must c… |
| 1578 | Minimum Time to Make Rope Colorful | 🟡 Medium | 1m 3s | The problem requires transforming a rope of balloons into a "colorf… |
| 1579 | Remove Max Number of Edges to Keep Graph Fully Traversable | 🔴 Hard | 59s | The problem presents an undirected graph with n nodes and three typ… |
| 1580 | Put Boxes Into the Warehouse II | 🟡 Medium | 1m 45s | In this problem, we are given two arrays: - boxes, where each value… |
| 1581 | Customer Who Visited but Did Not Make Any Transactions | 🟢 Easy | 3m | The problem gives us two database tables, Visits and Transactions. … |
| 1582 | Special Positions in a Binary Matrix | 🟢 Easy | 58s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1583 | Count Unhappy Friends | 🟡 Medium | 1m 38s | In this problem, we are given n friends, where n is always even. Ev… |
| 1584 | Min Cost to Connect All Points | 🟡 Medium | 1m 30s | This problem asks us to connect all given points on a 2D plane with… |
| 1585 | Check If String Is Transformable With Substring Sort Operations | 🔴 Hard | 1m 26s | This problem asks whether we can transform one digit string, s, int… |
| 1586 | Binary Search Tree Iterator II | 🟡 Medium | 51s | The problem requires implementing a BSTIterator class that allows f… |
| 1587 | Bank Account Summary II | 🟢 Easy | 1m 26s | This problem asks us to analyze banking transaction data and determ… |
| 1588 | Sum of All Odd Length Subarrays | 🟢 Easy | 47s | The problem asks us to calculate the sum of all odd-length subarray… |
| 1589 | Maximum Sum Obtained of Any Permutation | 🟡 Medium | 1m 30s | The problem gives us an integer array nums and a collection of rang… |
| 1590 | Make Sum Divisible by P | 🟡 Medium | 55s | This problem asks us to determine the smallest contiguous subarray … |
| 1591 | Strange Printer II | 🔴 Hard | 1m 38s | In this problem, we are given a final colored matrix called targetG… |
| 1592 | Rearrange Spaces Between Words | 🟢 Easy | 48s | The problem requires rearranging spaces in a given string text so t… |
| 1593 | Split a String Into the Max Number of Unique Substrings | 🟡 Medium | 1m 29s | This problem asks us to split a string into the largest possible nu… |
| 1594 | Maximum Non Negative Product in a Matrix | 🟡 Medium | 1m 13s | The problem asks us to navigate a m x n integer matrix grid from th… |
| 1595 | Minimum Cost to Connect Two Groups of Points | 🔴 Hard | 1m 14s | The problem is asking us to find the minimum cost to connect two gr… |
| 1596 | The Most Frequently Ordered Products for Each Customer | 🟡 Medium | 1m 6s | The problem requires us to find the most frequently ordered product… |
| 1597 | Build Binary Expression Tree From Infix Expression | 🔴 Hard | 1m 40s | The problem asks us to construct a binary expression tree from a va… |
| 1598 | Crawler Log Folder | 🟢 Easy | 3m 42s | In this problem, we are simulating navigation inside a file system.… |
| 1599 | Maximum Profit of Operating a Centennial Wheel | 🟡 Medium | 1m 48s | This problem asks us to simulate the operation of a Centennial Whee… |
| 1600 | Throne Inheritance | 🟡 Medium | 1m 24s | The problem asks us to design a data structure that simulates a roy… |
| 1601 | Maximum Number of Achievable Transfer Requests | 🔴 Hard | 53s | The problem asks us to maximize the number of employee transfer req… |
| 1602 | Find Nearest Right Node in Binary Tree | 🟡 Medium | 5m 40s | This problem asks us to find the nearest node to the right of a giv… |
| 1603 | Design Parking System | 🟢 Easy | 1m 17s | This problem asks us to design a very small parking lot management … |
| 1604 | Alert Using Same Key-Card Three or More Times in a One Hour Period | 🟡 Medium | 1m 32s | The problem gives us two parallel arrays, keyName and keyTime. Each… |
| 1605 | Find Valid Matrix Given Row and Column Sums | 🟡 Medium | 1m 21s | The problem gives us two arrays: - rowSum, where rowSum[i] represen… |
| 1606 | Find Servers That Handled Most Number of Requests | 🔴 Hard | 1m 10s | The problem presents a simulation scenario involving k servers, eac… |
| 1607 | Sellers With No Sales | 🟢 Easy | 1m 16s | This problem asks us to identify all sellers who did not make any s… |
| 1608 | Special Array With X Elements Greater Than or Equal X | 🟢 Easy | 1m 19s | The problem gives us an array nums containing non-negative integers… |
| 1609 | Even Odd Tree | 🟡 Medium | 1m 23s | Here’s a fully detailed, reference-style solution guide for LeetCod… |
| 1610 | Maximum Number of Visible Points | 🔴 Hard | 2m 19s | In this problem, we are standing at a fixed position on a 2D plane,… |
| 1611 | Minimum One Bit Operations to Make Integers Zero | 🔴 Hard | 52s | This problem asks us to transform a given integer n into 0 using a … |
| 1612 | Check If Two Expression Trees are Equivalent | 🟡 Medium | 55s | The problem asks us to determine whether two binary expression tree… |
| 1613 | Find the Missing IDs | 🟡 Medium | 1m 26s | The problem gives us a database table named Customers, where each r… |
| 1614 | Maximum Nesting Depth of the Parentheses | 🟢 Easy | 2m 19s | This problem asks us to compute the maximum nesting depth of parent… |
| 1615 | Maximal Network Rank | 🟡 Medium | 1m 10s | The problem asks us to compute the maximal network rank for a set o… |
| 1616 | Split Two Strings to Make Palindrome | 🟡 Medium | 1m 27s | This problem gives us two strings, a and b, both having the same le… |
| 1617 | Count Subtrees With Max Distance Between Cities | 🔴 Hard | 1m 38s | The input describes an undirected tree with n cities. Since the gra… |
| 1618 | Maximum Font to Fit a Sentence in a Screen | 🟡 Medium | 1m 24s | In this problem, we are given a string text that must be displayed … |
| 1619 | Mean of Array After Removing Some Elements | 🟢 Easy | 1m 31s | The problem gives us an integer array arr and asks us to compute th… |
| 1620 | Coordinate With Maximum Network Quality | 🟡 Medium | 44s | The problem asks us to find the integral coordinate on a 2D plane w… |
| 1621 | Number of Sets of K Non-Overlapping Line Segments | 🟡 Medium | 2m 20s | This guide is quite large and highly detailed under your required s… |
| 1622 | Fancy Sequence | 🔴 Hard | 1m 56s | The problem asks us to design a mutable sequence data structure tha… |
| 1623 | All Valid Triplets That Can Represent a Country | 🟢 Easy | 2m 10s | The problem asks us to generate all valid triplets of students repr… |
| 1624 | Largest Substring Between Two Equal Characters | 🟢 Easy | 1m 11s | The problem asks us to find the length of the longest substring tha… |
| 1625 | Lexicographically Smallest String After Applying Operations | 🟡 Medium | 1m 30s | The problem gives us a numeric string s of even length and two oper… |
| 1626 | Best Team With No Conflicts | 🟡 Medium | 1m 29s | The problem asks us to build a basketball team with the maximum pos… |
| 1627 | Graph Connectivity With Threshold | 🔴 Hard | 1m 21s | The problem gives us n cities labeled from 1 to n. Two cities are d… |
| 1628 | Design an Expression Tree With Evaluate Function | 🟡 Medium | 45s | The problem requires constructing a binary expression tree from a p… |
| 1629 | Slowest Key | 🟢 Easy | 1m 10s | This problem asks us to determine which key on a keypad was pressed… |
| 1630 | Arithmetic Subarrays | 🟡 Medium | 1m 37s | The problem asks us to determine whether subarrays of a given array… |
| 1631 | Path With Minimum Effort | 🟡 Medium | 2m 12s | The problem gives us a grid called heights, where each cell contain… |
| 1632 | Rank Transform of a Matrix | 🔴 Hard | 1m 48s | The problem asks us to assign a rank to every element in a matrix w… |
| 1633 | Percentage of Users Attended a Contest | 🟢 Easy | 44s | This problem asks us to calculate the percentage of users who atten… |
| 1634 | Add Two Polynomials Represented as Linked Lists | 🟡 Medium | 52s | This problem asks us to add two polynomials represented as singly l… |
| 1635 | Hopper Company Queries I | 🔴 Hard | 1m 50s | This problem asks us to generate monthly statistics for the year 20… |
| 1636 | Sort Array by Increasing Frequency | 🟢 Easy | 1m 19s | The problem asks us to reorder an array of integers based on the fr… |
| 1637 | Widest Vertical Area Between Two Points Containing No Points | 🟢 Easy | 1m 25s | This problem gives us a list of points on a 2D plane, where each po… |
| 1638 | Count Substrings That Differ by One Character | 🟡 Medium | 1m 42s | The problem asks us to count how many pairs of substrings, one take… |
| 1639 | Number of Ways to Form a Target String Given a Dictionary | 🔴 Hard | 1m 21s | The problem gives us a list of strings called words, where every st… |
| 1640 | Check Array Formation Through Concatenation | 🟢 Easy | 1m 31s | This problem gives us two inputs: - arr, a one-dimensional array of… |
| 1641 | Count Sorted Vowel Strings | 🟡 Medium | 1m 1s | The problem asks us to count the number of strings of length n comp… |
| 1642 | Furthest Building You Can Reach | 🟡 Medium | 1m 44s | The problem gives us an array heights, where each value represents … |
| 1643 | Kth Smallest Instructions | 🔴 Hard | 1m 12s | This problem asks us to generate a specific path for Bob from the t… |
| 1644 | Lowest Common Ancestor of a Binary Tree II | 🟡 Medium | 1m 14s | This problem asks us to find the lowest common ancestor (LCA) of tw… |
| 1645 | Hopper Company Queries II | 🔴 Hard | 1m 23s | This problem asks us to calculate, for every month in the year 2020… |
| 1646 | Get Maximum in Generated Array | 🟢 Easy | 1m 17s | The problem asks us to generate an array called nums using a specif… |
| 1647 | Minimum Deletions to Make Character Frequencies Unique | 🟡 Medium | 55s | The problem asks us to make a string good, which means no two disti… |
| 1648 | Sell Diminishing-Valued Colored Balls | 🟡 Medium | 1m 18s | Here is the complete, detailed technical solution guide for LeetCod… |
| 1649 | Create Sorted Array through Instructions | 🔴 Hard | 1m 28s | The problem asks us to simulate building a sorted array incremental… |
| 1650 | Lowest Common Ancestor of a Binary Tree III | 🟡 Medium | 1m 29s | This problem asks us to find the lowest common ancestor, usually ab… |
| 1651 | Hopper Company Queries III | 🔴 Hard | 1m 2s | The problem requires computing a rolling 3-month average of ride di… |
| 1652 | Defuse the Bomb | 🟢 Easy | 1m 17s | The problem gives us a circular array called code and an integer k.… |
| 1653 | Minimum Deletions to Make String Balanced | 🟡 Medium | 1m 3s | The problem asks us to make a string containing only characters 'a'… |
| 1654 | Minimum Jumps to Reach Home | 🟡 Medium | 1m 37s | This problem asks us to find the minimum number of jumps required f… |
| 1655 | Distribute Repeating Integers | 🔴 Hard | 1m 30s | This problem asks whether we can satisfy a set of customer requests… |
| 1656 | Design an Ordered Stream | 🟢 Easy | 1m 9s | This problem asks us to simulate a data stream where each element a… |
| 1657 | Determine if Two Strings Are Close | 🟡 Medium | 1m 3s | The problem asks whether two strings, word1 and word2, are "close" … |
| 1658 | Minimum Operations to Reduce X to Zero | 🟡 Medium | 1m 18s | The problem gives us an integer array nums and a target integer x. … |
| 1659 | Maximize Grid Happiness | 🔴 Hard | 1m 56s | This problem asks us to place introverts and extroverts inside an m… |
| 1660 | Correct a Binary Tree | 🟡 Medium | 1m 25s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1661 | Average Time of Process per Machine | 🟢 Easy | 3m 19s | The problem provides a database table named Activity, which stores … |
| 1662 | Check If Two String Arrays are Equivalent | 🟢 Easy | 1m 37s | The problem gives us two arrays of strings, word1 and word2. Each a… |
| 1663 | Smallest String With A Given Numeric Value | 🟡 Medium | 1m 33s | The problem asks us to construct a lowercase string of length n suc… |
| 1664 | Ways to Make a Fair Array | 🟡 Medium | 1m 32s | The problem gives us an integer array nums, and asks us to remove e… |
| 1665 | Minimum Initial Energy to Finish Tasks | 🔴 Hard | 1m 50s | The problem gives us a list of tasks, where each task is represente… |
| 1666 | Change the Root of a Binary Tree | 🟡 Medium | 3m 28s | This problem asks us to reroot a binary tree at a given leaf node. … |
| 1667 | Fix Names in a Table | 🟢 Easy | 1m 17s | This problem provides a database table named Users with two columns… |
| 1668 | Maximum Repeating Substring | 🟢 Easy | 1m | This problem asks us to determine how many times a given string wor… |
| 1669 | Merge In Between Linked Lists | 🟡 Medium | 2m 16s | The problem asks us to merge two singly linked lists in a very spec… |
| 1670 | Design Front Middle Back Queue | 🟡 Medium | 1m 11s | The problem is asking us to design a specialized queue that allows … |
| 1671 | Minimum Number of Removals to Make Mountain Array | 🔴 Hard | 1m 49s | This problem asks us to remove the minimum number of elements from … |
| 1672 | Richest Customer Wealth | 🟢 Easy | 4m 43s | This problem gives us a two dimensional integer array called accoun… |
| 1673 | Find the Most Competitive Subsequence | 🟡 Medium | 1m 38s | Here is a complete, detailed technical solution guide for LeetCode … |
| 1674 | Minimum Moves to Make Array Complementary | 🟡 Medium | 1m 17s | The problem requires us to transform an array nums of even length n… |
| 1675 | Minimize Deviation in Array | 🔴 Hard | 2m 57s | The problem asks us to minimize the deviation in an array of positi… |
| 1676 | Lowest Common Ancestor of a Binary Tree IV | 🟡 Medium | 1m 35s | This problem asks us to find the Lowest Common Ancestor, or LCA, of… |
| 1677 | Product's Worth Over Invoices | 🟢 Easy | 1m 8s | The problem asks us to calculate aggregate monetary information for… |
| 1678 | Goal Parser Interpretation | 🟢 Easy | 1m 13s | This problem asks us to interpret a Goal Parser command string. The… |
| 1679 | Max Number of K-Sum Pairs | 🟡 Medium | 1m 9s | The problem asks us to repeatedly remove pairs of numbers from an a… |
| 1680 | Concatenation of Consecutive Binary Numbers | 🟡 Medium | 1m 20s | The problem asks us to build a very large binary number by concaten… |
| 1681 | Minimum Incompatibility | 🔴 Hard | 6m 17s | The problem is asking us to partition an integer array nums into ex… |
| 1682 | Longest Palindromic Subsequence II | 🟡 Medium | 1m 35s | The problem is asking us to find the length of the longest good pal… |
| 1683 | Invalid Tweets | 🟢 Easy | 1m 27s | This problem gives us a database table named Tweets with two column… |
| 1684 | Count the Number of Consistent Strings | 🟢 Easy | 1m 15s | This problem asks us to determine how many strings in the words arr… |
| 1685 | Sum of Absolute Differences in a Sorted Array | 🟡 Medium | 1m 28s | The problem gives us a sorted integer array nums, arranged in non-d… |
| 1686 | Stone Game VI | 🟡 Medium | 48s | This is a long, structured technical guide with multiple substantia… |
| 1687 | Delivering Boxes from Storage to Ports | 🔴 Hard | 2m 35s | This problem asks us to minimize the total number of ship trips req… |
| 1688 | Count of Matches in Tournament | 🟢 Easy | 1m | The problem describes a tournament where teams compete until only o… |
| 1689 | Partitioning Into Minimum Number Of Deci-Binary Numbers | 🟡 Medium | 1m 24s | The problem asks us to determine the minimum number of positive dec… |
| 1690 | Stone Game VII | 🟡 Medium | 2m 36s | This problem describes a two player game played on an array of ston… |
| 1691 | Maximum Height by Stacking Cuboids | 🔴 Hard | 3m 33s | This problem gives us a collection of 3D cuboids, where each cuboid… |
| 1692 | Count Ways to Distribute Candies | 🔴 Hard | 1m 20s | The problem asks us to compute the number of ways to distribute n d… |
| 1693 | Daily Leads and Partners | 🟢 Easy | 56s | The problem provides a database table named DailySales, where each … |
| 1694 | Reformat Phone Number | 🟢 Easy | 1m 6s | The problem requires reformatting a phone number string in a specif… |
| 1695 | Maximum Erasure Value | 🟡 Medium | 1m 35s | This problem asks us to find a contiguous subarray that contains on… |
| 1696 | Jump Game VI | 🟡 Medium | 1m 36s | The problem gives us an integer array nums and a maximum jump dista… |
| 1697 | Checking Existence of Edge Length Limited Paths | 🔴 Hard | 1m 55s | This problem gives us an undirected weighted graph with n nodes. Ea… |
| 1698 | Number of Distinct Substrings in a String | 🟡 Medium | 1m 8s | The problem asks for the total number of distinct substrings of a g… |
| 1699 | Number of Calls Between Two Persons | 🟡 Medium | 2m 2s | This problem provides a database table named Calls, where each row … |
| 1700 | Number of Students Unable to Eat Lunch | 🟢 Easy | 1m 13s | This problem simulates a school cafeteria where students line up to… |
| 1701 | Average Waiting Time | 🟡 Medium | 2m 22s | This problem is asking us to simulate the operation of a single-che… |
| 1702 | Maximum Binary String After Change | 🟡 Medium | 2m 21s | This problem gives us a binary string consisting only of '0' and '1… |
| 1703 | Minimum Adjacent Swaps for K Consecutive Ones | 🔴 Hard | 3m 32s | This problem asks us to determine the minimum number of adjacent sw… |
| 1704 | Determine if String Halves Are Alike | 🟢 Easy | 1m 29s | The problem gives us a string s whose length is guaranteed to be ev… |
| 1705 | Maximum Number of Eaten Apples | 🟡 Medium | 1m 4s | The problem describes a scenario with a series of apple trees that … |
| 1706 | Where Will the Ball Fall | 🟡 Medium | 3m 7s | This problem asks us to simulate the movement of balls dropped into… |
| 1707 | Maximum XOR With an Element From Array | 🔴 Hard | 2m 27s | The problem gives us two inputs: - An integer array nums - A list o… |
| 1708 | Largest Subarray Length K | 🟢 Easy | 1m 36s | The problem asks us to find the lexicographically largest contiguou… |
| 1709 | Biggest Window Between Visits | 🟡 Medium | 1m 27s | The UserVisits table stores records of when users visited a retaile… |
| 1710 | Maximum Units on a Truck | 🟢 Easy | 1m 40s | The problem gives us several types of boxes, where each box type co… |
| 1711 | Count Good Meals | 🟡 Medium | 2m 52s | The problem asks us to count the number of good meals that can be f… |
| 1712 | Ways to Split Array Into Three Subarrays | 🟡 Medium | 1m 35s | The problem asks us to count the number of valid ways to divide an … |
| 1713 | Minimum Operations to Make a Subsequence | 🔴 Hard | 1m 39s | The problem gives us two arrays, target and arr. The target array c… |
| 1714 | Sum Of Special Evenly-Spaced Elements In Array | 🔴 Hard | 3m 29s | The problem requires calculating sums of specific subsets of an int… |
| 1715 | Count Apples and Oranges | 🟡 Medium | 3m 40s | This problem asks us to compute the total number of apples and oran… |
| 1716 | Calculate Money in Leetcode Bank | 🟢 Easy | 1m 17s | The problem describes a repeating weekly saving pattern. Hercy depo… |
| 1717 | Maximum Score From Removing Substrings | 🟡 Medium | 1m 32s | The problem gives us a string s and two scoring rules: - Removing t… |
| 1718 | Construct the Lexicographically Largest Valid Sequence | 🟡 Medium | 2m 18s | The problem asks us to construct a special integer sequence using n… |
| 1719 | Number Of Ways To Reconstruct A Tree | 🔴 Hard | 1m 11s | The problem provides an array of pairs, where each pair [xi, yi] in… |
| 1720 | Decode XORed Array | 🟢 Easy | 1m 30s | The problem gives us an encoded array where each element represents… |
| 1721 | Swapping Nodes in a Linked List | 🟡 Medium | 1m 12s | The problem provides a singly linked list and an integer k. The tas… |
| 1722 | Minimize Hamming Distance After Swap Operations | 🟡 Medium | 1m 21s | The problem asks us to find the minimum Hamming distance between tw… |
| 1723 | Find Minimum Time to Finish All Jobs | 🔴 Hard | 1m 11s | This problem is asking us to assign a set of jobs, each with a spec… |
| 1724 | Checking Existence of Edge Length Limited Paths II | 🔴 Hard | 2m 2s | This problem gives us an undirected weighted graph with n nodes and… |
| 1725 | Number Of Rectangles That Can Form The Largest Square | 🟢 Easy | 1m 44s | The problem gives us a list of rectangles, where each rectangle is … |
| 1726 | Tuple with Same Product | 🟡 Medium | 2m 24s | The problem asks us to count all tuples (a, b, c, d) from a given a… |
| 1727 | Largest Submatrix With Rearrangements | 🟡 Medium | 1m 24s | The problem gives us a binary matrix, meaning every cell contains e… |
| 1728 | Cat and Mouse II | 🔴 Hard | 2m | This problem describes a two-player perfect-information game played… |
| 1729 | Find Followers Count | 🟢 Easy | 1m 16s | The problem is asking us to determine, for each user in a social me… |
| 1730 | Shortest Path to Get Food | 🟡 Medium | 1m 1s | The problem asks us to find the shortest path from a starting locat… |
| 1731 | The Number of Employees Which Report to Each Employee | 🟢 Easy | 2m 5s | The Employees table stores information about employees inside a com… |
| 1732 | Find the Highest Altitude | 🟢 Easy | 1m 52s | In this problem, a biker starts at altitude 0 and travels through a… |
| 1733 | Minimum Number of People to Teach | 🟡 Medium | 1m 58s | This problem models communication in a social network where each us… |
| 1734 | Decode XORed Permutation | 🟡 Medium | 1m 34s | The problem gives us an array called encoded, which was generated f… |
| 1735 | Count Ways to Make Array With Product | 🔴 Hard | 1m 14s | The problem asks us to count the number of ways to fill an array of… |
| 1736 | Latest Time by Replacing Hidden Digits | 🟢 Easy | 1m 45s | The problem presents a string time formatted as hh:mm, where h and … |
| 1737 | Change Minimum Characters to Satisfy One of Three Conditions | 🟡 Medium | 2m 19s | The problem gives us two lowercase English strings, a and b. In a s… |
| 1738 | Find Kth Largest XOR Coordinate Value | 🟡 Medium | 1m 18s | The problem asks us to compute the XOR coordinate value for each el… |
| 1739 | Building Boxes | 🔴 Hard | 1m 37s | The problem gives us n identical unit cubes that must be placed ins… |
| 1740 | Find Distance in a Binary Tree | 🟡 Medium | 1m 29s | This problem asks us to determine the distance between two nodes in… |
| 1741 | Find Total Time Spent by Each Employee | 🟢 Easy | 1m 15s | The problem asks us to calculate the total time each employee spend… |
| 1742 | Maximum Number of Balls in a Box | 🟢 Easy | 59s | The problem describes a scenario in which you have a sequence of ba… |
| 1743 | Restore the Array From Adjacent Pairs | 🟡 Medium | 1m 33s | The problem gives us all adjacent pairs from an unknown array nums,… |
| 1744 | Can You Eat Your Favorite Candy on Your Favorite Day? | 🟡 Medium | 2m 24s | The problem gives us an array candiesCount where candiesCount[i] re… |
| 1745 | Palindrome Partitioning IV | 🔴 Hard | 1m 8s | The problem asks us to determine whether a given string s can be sp… |
| 1746 | Maximum Subarray Sum After One Operation | 🟡 Medium | 1m 33s | The problem gives us an integer array nums, and we must perform exa… |
| 1747 | Leetflex Banned Accounts | 🟡 Medium | 1m 28s | This problem asks us to identify suspicious accounts in the LogInfo… |
| 1748 | Sum of Unique Elements | 🟢 Easy | 1m 12s | The problem gives us an integer array nums and asks us to compute t… |
| 1749 | Maximum Absolute Sum of Any Subarray | 🟡 Medium | 1m 4s | The problem asks us to calculate the maximum absolute sum of any co… |
| 1750 | Minimum Length of String After Deleting Similar Ends | 🟡 Medium | 1m 27s | The problem gives us a string s containing only the characters 'a',… |
| 1751 | Maximum Number of Events That Can Be Attended II | 🔴 Hard | 1m 33s | You are given a list of events, where each event is represented as:… |
| 1752 | Check if Array Is Sorted and Rotated | 🟢 Easy | 54s | The problem is asking us to determine whether a given array nums co… |
| 1753 | Maximum Score From Removing Stones | 🟡 Medium | 1m 13s | The problem is a combinatorial game involving three piles of stones… |
| 1754 | Largest Merge Of Two Strings | 🟡 Medium | 1m 27s | This problem asks us to build the lexicographically largest possibl… |
| 1755 | Closest Subsequence Sum | 🔴 Hard | 53s | The problem asks us to find a subsequence of a given integer array … |
| 1756 | Design Most Recently Used Queue | 🟡 Medium | 1m 34s | The problem asks us to design a special queue called an "Most Recen… |
| 1757 | Recyclable and Low Fat Products | 🟢 Easy | 1m 34s | This problem gives us a database table named Products. Each row rep… |
| 1758 | Minimum Changes To Make Alternating Binary String | 🟢 Easy | 1m 25s | The problem gives us a binary string s, which means the string cont… |
| 1759 | Count Number of Homogenous Substrings | 🟡 Medium | 1m 34s | The problem asks us to count all substrings in a string where every… |
| 1760 | Minimum Limit of Balls in a Bag | 🟡 Medium | 1m 32s | You are given several bags of balls, where nums[i] represents how m… |
| 1761 | Minimum Degree of a Connected Trio in a Graph | 🔴 Hard | 2m 30s | This problem gives us an undirected graph with n nodes and a list o… |
| 1762 | Buildings With an Ocean View | 🟡 Medium | 1m 19s | This problem gives us an array called heights, where each element r… |
| 1763 | Longest Nice Substring | 🟢 Easy | 1m 58s | The problem asks us to find the longest "nice" substring within a g… |
| 1764 | Form Array by Concatenating Subarrays of Another Array | 🟡 Medium | 1m 11s | The problem asks us to determine whether we can select disjoint sub… |
| 1765 | Map of Highest Peak | 🟡 Medium | 1m 33s | The problem presents a matrix isWater of size m x n where each cell… |
| 1766 | Tree of Coprimes | 🔴 Hard | 1m 7s | This problem gives us a tree with n nodes numbered from 0 to n-1, r… |
| 1767 | Find the Subtasks That Did Not Execute | 🔴 Hard | 2m 17s | This problem revolves around identifying which subtasks of a task w… |
| 1768 | Merge Strings Alternately | 🟢 Easy | 3m 7s | The problem requires merging two input strings word1 and word2 in a… |
| 1769 | Minimum Number of Operations to Move All Balls to Each Box | 🟡 Medium | 1m 2s | This problem asks us to compute the minimum number of moves require… |
| 1770 | Maximum Score from Performing Multiplication Operations | 🔴 Hard | 2m 19s | This problem asks us to maximize a score obtained by performing a s… |
| 1771 | Maximize Palindrome Length From Subsequences | 🔴 Hard | 2m 19s | The problem gives us two strings, word1 and word2. We must choose a… |
| 1772 | Sort Features by Popularity | 🟡 Medium | 1m 2s | This problem asks us to determine the popularity of product feature… |
| 1773 | Count Items Matching a Rule | 🟢 Easy | 56s | The problem asks us to determine how many items in a list satisfy a… |
| 1774 | Closest Dessert Cost | 🟡 Medium | 1m 3s | The problem asks us to create a dessert using one ice cream base an… |
| 1775 | Equal Sum Arrays With Minimum Number of Operations | 🟡 Medium | 1m 53s | The problem gives us two integer arrays, nums1 and nums2, where eve… |
| 1776 | Car Fleet II | 🔴 Hard | 54s | The problem is asking us to compute the time at which each car in a… |
| 1777 | Product's Price for Each Store | 🟢 Easy | 1m 50s | The problem provides a table named Products, where each row represe… |
| 1778 | Shortest Path in a Hidden Grid | 🟡 Medium | 1m 43s | This problem asks us to find the shortest path from a robot's unkno… |
| 1779 | Find Nearest Point That Has the Same X or Y Coordinate | 🟢 Easy | 1m 22s | The problem gives your current position on a 2D Cartesian grid as (… |
| 1780 | Check if Number is a Sum of Powers of Three | 🟡 Medium | 1m 17s | The problem asks whether a given integer n can be expressed as the … |
| 1781 | Sum of Beauty of All Substrings | 🟡 Medium | 50s | The problem asks us to calculate the sum of beauty for all substrin… |
| 1782 | Count Pairs Of Nodes | 🔴 Hard | 1m 23s | We are given an undirected graph with n nodes and a list of edges. … |
| 1783 | Grand Slam Titles | 🟡 Medium | 1m 38s | This problem asks us to compute how many Grand Slam tennis titles e… |
| 1784 | Check if Binary String Has at Most One Segment of Ones | 🟢 Easy | 1m 5s | In this problem, we are given a binary string s that contains only … |
| 1785 | Minimum Elements to Add to Form a Given Sum | 🟡 Medium | 1m 24s | The problem gives us an integer array nums, a maximum allowed absol… |
| 1786 | Number of Restricted Paths From First to Last Node | 🟡 Medium | 2m | This problem gives us an undirected weighted graph with n nodes lab… |
| 1787 | Make the XOR of All Segments Equal to Zero | 🔴 Hard | 1m 19s | The problem is asking us to modify an array nums such that the XOR … |
| 1788 | Maximize the Beauty of the Garden | 🔴 Hard | 1m 47s | We are given an integer array flowers, where each element represent… |
| 1789 | Primary Department for Each Employee | 🟢 Easy | 1m 34s | The problem provides a database table named Employee that stores in… |
| 1790 | Check if One String Swap Can Make Strings Equal | 🟢 Easy | 50s | The problem asks us to determine if two strings of equal length, s1… |
| 1791 | Find Center of Star Graph | 🟢 Easy | 48s | The problem is asking us to identify the center node of a star grap… |
| 1792 | Maximum Average Pass Ratio | 🟡 Medium | 1m 47s | The problem gives us several classes, where each class is represent… |
| 1793 | Maximum Score of a Good Subarray | 🔴 Hard | 1m 35s | In this problem, we are given an integer array nums and a specific … |
| 1794 | Count Pairs of Equal Substrings With Minimum Difference | 🟡 Medium | 53s | This problem asks us to count quadruples of indices (i, j, a, b) wh… |
| 1795 | Rearrange Products Table | 🟢 Easy | 1m 36s | The Products table stores product prices across three different sto… |
| 1796 | Second Largest Digit in a String | 🟢 Easy | 1m 19s | The problem gives us a string s that contains lowercase English let… |
| 1797 | Design Authentication Manager | 🟡 Medium | 51s | The problem asks us to design an authentication system that manages… |
| 1798 | Maximum Number of Consecutive Values You Can Make | 🟡 Medium | 1m 19s | The problem gives us an array of coin values, where each coin can b… |
| 1799 | Maximize Score After N Operations | 🔴 Hard | 1m 5s | The problem asks us to maximize the total score obtained by perform… |
| 1800 | Maximum Ascending Subarray Sum | 🟢 Easy | 1m 19s | The problem gives an array of positive integers called nums. We mus… |
| 1801 | Number of Orders in the Backlog | 🟡 Medium | 1m 45s | This problem simulates a simplified stock exchange order book. Each… |
| 1802 | Maximum Value at a Given Index in a Bounded Array | 🟡 Medium | 1m 26s | This problem asks us to construct an array of length n where every … |
| 1803 | Count Pairs With XOR in a Range | 🔴 Hard | 1m 56s | The problem gives us an integer array nums and two integers, low an… |
| 1804 | Implement Trie II (Prefix Tree) | 🟡 Medium | 57s | This problem asks us to implement a Trie data structure, also known… |
| 1805 | Number of Different Integers in a String | 🟢 Easy | 1m | The problem requires us to process a string word that contains both… |
| 1806 | Minimum Number of Operations to Reinitialize a Permutation | 🟡 Medium | 1m 10s | The problem gives us an even integer n and defines an initial permu… |
| 1807 | Evaluate the Bracket Pairs of a String | 🟡 Medium | 2m 34s | The problem asks us to process a string s that contains bracketed k… |
| 1808 | Maximize Number of Nice Divisors | 🔴 Hard | 1m 21s | The problem gives us an integer primeFactors, representing the maxi… |
| 1809 | Ad-Free Sessions | 🟢 Easy | 50s | The problem is asking us to identify all playback sessions during w… |
| 1810 | Minimum Path Cost in a Hidden Grid | 🟡 Medium | 1m 56s | This problem is an interactive shortest path problem on a hidden we… |
| 1811 | Find Interview Candidates | 🟡 Medium | 1m 2s | The problem is asking us to identify users who qualify as interview… |
| 1812 | Determine Color of a Chessboard Square | 🟢 Easy | 1m 11s | This problem asks us to determine whether a given chessboard square… |
| 1813 | Sentence Similarity III | 🟡 Medium | 1m 15s | The problem is asking us to determine whether two sentences can be … |
| 1814 | Count Nice Pairs in an Array | 🟡 Medium | 2m 4s | The problem gives us an array of non-negative integers called nums.… |
| 1815 | Maximum Number of Groups Getting Fresh Donuts | 🔴 Hard | 1m 56s | This problem asks us to maximize the number of “happy” customer gro… |
| 1816 | Truncate Sentence | 🟢 Easy | 1m 45s | The problem gives us a sentence s and an integer k. A sentence is g… |
| 1817 | Finding the Users Active Minutes | 🟡 Medium | 1m 41s | This problem asks us to analyze a collection of user activity logs … |
| 1818 | Minimum Absolute Sum Difference | 🟡 Medium | 1m 10s | The problem gives two arrays of positive integers, nums1 and nums2,… |
| 1819 | Number of Different Subsequences GCDs | 🔴 Hard | 2m 6s | The problem asks us to compute how many distinct values can appear … |
| 1820 | Maximum Number of Accepted Invitations | 🟡 Medium | 1m 40s | This problem asks us to maximize the number of successful invitatio… |
| 1821 | Find Customers With Positive Revenue this Year | 🟢 Easy | 1m 50s | The problem gives us a database table named Customers with three co… |
| 1822 | Sign of the Product of an Array | 🟢 Easy | 1m 18s | The problem asks us to determine the sign of the product of all num… |
| 1823 | Find the Winner of the Circular Game | 🟡 Medium | 1m 6s | The problem describes a variation of the classic Josephus problem. … |
| 1824 | Minimum Sideway Jumps | 🟡 Medium | 1m 5s | This problem describes a frog navigating a 3-lane road of length n.… |
| 1825 | Finding MK Average | 🔴 Hard | 2m 4s | The problem asks us to design a data structure that continuously re… |
| 1826 | Faulty Sensor | 🟢 Easy | 1m 37s | The problem gives us two arrays, sensor1 and sensor2, representing … |
| 1827 | Minimum Operations to Make the Array Increasing | 🟢 Easy | 59s | The problem asks us to transform a given integer array nums into a … |
| 1828 | Queries on Number of Points Inside a Circle | 🟡 Medium | 1m 20s | This problem gives us two collections of geometric objects on a 2D … |
| 1829 | Maximum XOR for Each Query | 🟡 Medium | 1m 26s | The problem gives us a sorted array nums and an integer maximumBit.… |
| 1830 | Minimum Number of Operations to Make String Sorted | 🔴 Hard | 1m 27s | The operation described in the problem is exactly the process of ge… |
| 1831 | Maximum Transaction Each Day | 🟡 Medium | 3m 51s | The problem gives us a table named Transactions where each row repr… |
| 1832 | Check if the Sentence Is Pangram | 🟢 Easy | 1m 6s | This problem asks us to determine whether a given string is a pangr… |
| 1833 | Maximum Ice Cream Bars | 🟡 Medium | 1m 1s | This problem asks us to determine the maximum number of ice cream b… |
| 1834 | Single-Threaded CPU | 🟡 Medium | 55s | The problem asks us to simulate the execution of tasks on a single-… |
| 1835 | Find XOR Sum of All Pairs Bitwise AND | 🔴 Hard | 1m 17s | This problem asks us to compute the XOR sum of every possible pairw… |
| 1836 | Remove Duplicates From an Unsorted Linked List | 🟡 Medium | 1m 26s | This problem gives us the head of a singly linked list whose values… |
| 1837 | Sum of Digits in Base K | 🟢 Easy | 42s | The problem is asking us to convert a given integer n from base 10 … |
| 1838 | Frequency of the Most Frequent Element | 🟡 Medium | 59s | This problem asks us to determine the maximum frequency of an eleme… |
| 1839 | Longest Substring Of All Vowels in Order | 🟡 Medium | 1m 37s | The problem asks us to find the length of the longest substring tha… |
| 1840 | Maximum Building Height | 🔴 Hard | 1m 49s | This problem asks us to construct heights for n buildings arranged … |
| 1841 | League Statistics | 🟡 Medium | 3m 27s | This problem asks us to compute a complete league table from two da… |
| 1842 | Next Palindrome Using Same Digits | 🔴 Hard | 1m 39s | The input is a numeric string num that is guaranteed to already be … |
| 1843 | Suspicious Bank Accounts | 🟡 Medium | 1m 35s | This problem asks us to identify bank accounts whose monthly income… |
| 1844 | Replace All Digits with Characters | 🟢 Easy | 1m 4s | In this problem, we are given a string s where characters at even i… |
| 1845 | Seat Reservation Manager | 🟡 Medium | 54s | The problem requires designing a system to manage seat reservations… |
| 1846 | Maximum Element After Decreasing and Rearranging | 🟡 Medium | 1m 3s | The problem provides an array of positive integers and asks us to p… |
| 1847 | Closest Room | 🔴 Hard | 1m 24s | We are given a list of hotel rooms, where each room has: - A unique… |
| 1848 | Minimum Distance to the Target Element | 🟢 Easy | 1m 14s | The problem gives us an integer array nums, a value called target, … |
| 1849 | Splitting a String Into Descending Consecutive Values | 🟡 Medium | 1m 52s | The problem gives us a numeric string s and asks whether it can be … |
| 1850 | Minimum Adjacent Swaps to Reach the Kth Smallest Number | 🟡 Medium | 48s | The problem asks us to compute the minimum number of adjacent swaps… |
| 1851 | Minimum Interval to Include Each Query | 🔴 Hard | 1m 28s | The problem gives us a collection of inclusive integer intervals an… |
| 1852 | Distinct Numbers in Each Subarray | 🟡 Medium | 1m 29s | The problem gives us an integer array nums and an integer k. For ev… |
| 1853 | Convert Date Format | 🟢 Easy | 1m 24s | The problem provides a database table named Days with a single colu… |
| 1854 | Maximum Population Year | 🟢 Easy | 46s | The problem asks us to determine the year with the highest populati… |
| 1855 | Maximum Distance Between a Pair of Values | 🟡 Medium | 1m 31s | You are given two integer arrays, nums1 and nums2, and both arrays … |
| 1856 | Maximum Subarray Min-Product | 🟡 Medium | 57s | The problem asks us to find the maximum min-product of any contiguo… |
| 1857 | Largest Color Value in a Directed Graph | 🔴 Hard | 57s | The problem asks us to find the largest color value along any path … |
| 1858 | Longest Word With All Prefixes | 🟡 Medium | 1m 22s | The problem gives us an array of lowercase strings called words. We… |
| 1859 | Sorting the Sentence | 🟢 Easy | 53s | The problem gives us a shuffled sentence, where every word has a nu… |
| 1860 | Incremental Memory Leak | 🟡 Medium | 1m 3s | The problem models a faulty program that continuously consumes memo… |
| 1861 | Rotating the Box | 🟡 Medium | 2m 12s | Please provide the specific problem number/title you want the detai… |
| 1862 | Sum of Floored Pairs | 🔴 Hard | 59s | The problem asks us to calculate the sum of the integer division re… |
| 1863 | Sum of All Subset XOR Totals | 🟢 Easy | 1m 9s | This problem asks us to compute the sum of the XOR values of every … |
| 1864 | Minimum Number of Swaps to Make the Binary String Alternating | 🟡 Medium | 1m 18s | The problem gives us a binary string s that contains only '0' and '… |
| 1865 | Finding Pairs With a Certain Sum | 🟡 Medium | 1m 9s | This problem asks us to design a mutable data structure that suppor… |
| 1866 | Number of Ways to Rearrange Sticks With K Sticks Visible | 🔴 Hard | 1m 17s | The problem gives us n sticks with unique lengths from 1 to n. We m… |
| 1867 | Orders With Maximum Quantity Above Average | 🟡 Medium | 45s | The problem asks us to identify "imbalanced orders" from an OrdersD… |
| 1868 | Product of Two Run-Length Encoded Arrays | 🟡 Medium | 1m 28s | This problem asks us to multiply two arrays that are already stored… |
| 1869 | Longer Contiguous Segments of Ones than Zeros | 🟢 Easy | 1m 17s | The problem gives us a binary string s, which means the string cont… |
| 1870 | Minimum Speed to Arrive on Time | 🟡 Medium | 2m 22s | The problem asks us to find the minimum constant speed (in kilomete… |
| 1871 | Jump Game VII | 🟡 Medium | 1m 41s | The problem gives us a binary string s, where each character is eit… |
| 1872 | Stone Game VIII | 🔴 Hard | 1m 15s | The problem describes a two-player turn-based game between Alice an… |
| 1873 | Calculate Special Bonus | 🟢 Easy | 1m 49s | This problem asks us to write an SQL query that calculates a specia… |
| 1874 | Minimize Product Sum of Two Arrays | 🟡 Medium | 1m 24s | The problem defines the product sum of two arrays as the sum of the… |
| 1875 | Group Employees of the Same Salary | 🟡 Medium | 1m 9s | This is a SQL database problem where we need to group employees int… |
| 1876 | Substrings of Size Three with Distinct Characters | 🟢 Easy | 1m 8s | The problem asks us to count how many substrings of length exactly … |
| 1877 | Minimize Maximum Pair Sum in Array | 🟡 Medium | 53s | The problem asks us to pair elements in an array of even length suc… |
| 1878 | Get Biggest Three Rhombus Sums in a Grid | 🟡 Medium | 45s | The problem asks us to compute the largest three distinct rhombus s… |
| 1879 | Minimum XOR Sum of Two Arrays | 🔴 Hard | 57s | The problem asks us to take two integer arrays of equal length, num… |
| 1880 | Check if Word Equals Summation of Two Words | 🟢 Easy | 1m 6s | The problem asks us to determine if the sum of the numerical values… |
| 1881 | Maximum Value after Insertion | 🟡 Medium | 1m 7s | This problem asks us to insert a single digit x into a very large i… |
| 1882 | Process Tasks Using Servers | 🟡 Medium | 1m 38s | This problem asks us to simulate a task scheduling system with two … |
| 1883 | Minimum Skips to Arrive at Meeting On Time | 🔴 Hard | 2m 22s | You are given a sequence of roads that must be traveled in order. E… |
| 1884 | Egg Drop With 2 Eggs and N Floors | 🟡 Medium | 1m 12s | This problem asks us to determine the minimum number of moves requi… |
| 1885 | Count Pairs in Two Arrays | 🟡 Medium | 49s | The problem asks us to count the number of index pairs (i, j) such … |
| 1886 | Determine Whether Matrix Can Be Obtained By Rotation | 🟢 Easy | 1m 14s | The problem gives us two square binary matrices, mat and target, bo… |
| 1887 | Reduction Operations to Make the Array Elements Equal | 🟡 Medium | 1m 29s | This problem asks us to make all elements in an integer array equal… |
| 1888 | Minimum Number of Flips to Make the Binary String Alternating | 🟡 Medium | 57s | The problem asks us to transform a binary string s into an alternat… |
| 1889 | Minimum Space Wasted From Packaging | 🔴 Hard | 1m 26s | The problem gives us a list of package sizes and several suppliers.… |
| 1890 | The Latest Login in 2020 | 🟢 Easy | 54s | The problem provides a database table Logins that records user logi… |
| 1891 | Cutting Ribbons | 🟡 Medium | 1m 4s | The problem requires determining the maximum possible length x of r… |
| 1892 | Page Recommendations II | 🔴 Hard | 1m 4s | The problem asks us to implement a page recommendation system based… |
| 1893 | Check if All the Integers in a Range Are Covered | 🟢 Easy | 48s | The problem asks us to determine whether every integer within a giv… |
| 1894 | Find the Student that Will Replace the Chalk | 🟡 Medium | 53s | The problem presents a classroom scenario where students are given … |
| 1895 | Largest Magic Square | 🟡 Medium | 56s | The problem asks us to find the largest magic square inside a given… |
| 1896 | Minimum Cost to Change the Final Value of Expression | 🔴 Hard | 1m 48s | This problem gives us a boolean expression containing only: - '0' a… |
| 1897 | Redistribute Characters to Make All Strings Equal | 🟢 Easy | 1m 19s | The problem asks whether it is possible to make all strings in the … |
| 1898 | Maximum Number of Removable Characters | 🟡 Medium | 1m 4s | The problem gives us two strings, s and p, and a list of indices re… |
| 1899 | Merge Triplets to Form Target Triplet | 🟡 Medium | 49s | The problem asks whether it is possible to create a specific target… |
| 1900 | The Earliest and Latest Rounds Where Players Compete | 🔴 Hard | 1m 40s | The tournament is organized as a sequence of elimination rounds. In… |
| 1901 | Find a Peak Element II | 🟡 Medium | 43s | The problem requires finding a peak element in a 2D matrix. A peak … |
| 1902 | Depth of BST Given Insertion Order | 🟡 Medium | 1m 24s | The problem gives us an array order that represents the exact seque… |
| 1903 | Largest Odd Number in String | 🟢 Easy | 50s | The problem asks us to find the largest-valued odd integer substrin… |
| 1904 | The Number of Full Rounds You Have Played | 🟡 Medium | 1m 25s | The problem describes an online chess tournament where a new round … |
| 1905 | Count Sub Islands | 🟡 Medium | 52s | The problem presents two m x n binary matrices, grid1 and grid2, re… |
| 1906 | Minimum Absolute Difference Queries | 🟡 Medium | 1m 7s | The problem asks us to compute the minimum absolute difference in s… |
| 1907 | Count Salary Categories | 🟡 Medium | 1m 30s | This problem asks us to classify bank accounts into three salary ca… |
| 1908 | Game of Nim | 🟡 Medium | 1m 7s | This problem is the classic mathematical game known as Nim. We are … |
| 1909 | Remove One Element to Make the Array Strictly Increasing | 🟢 Easy | 1m 32s | The problem gives us a 0-indexed integer array nums and asks whethe… |
| 1910 | Remove All Occurrences of a Substring | 🟡 Medium | 1m 13s | The problem asks us to repeatedly remove occurrences of a substring… |
| 1911 | Maximum Alternating Subsequence Sum | 🟡 Medium | 1m 35s | The problem asks us to compute the maximum possible alternating sum… |
| 1912 | Design Movie Rental System | 🔴 Hard | 58s | The problem requires designing a movie rental system for multiple s… |
| 1913 | Maximum Product Difference Between Two Pairs | 🟢 Easy | 42s | This problem asks us to find the maximum product difference between… |
| 1914 | Cyclically Rotating a Grid | 🟡 Medium | 1m 39s | The problem gives us an m x n matrix called grid, along with an int… |
| 1915 | Number of Wonderful Substrings | 🟡 Medium | 1m 36s | The problem asks us to count how many non-empty substrings of a giv… |
| 1916 | Count Ways to Build Rooms in an Ant Colony | 🔴 Hard | 47s | The problem asks us to count the number of valid ways to sequential… |
| 1917 | Leetcodify Friends Recommendations | 🔴 Hard | 49s | This problem requires generating friend recommendations for users o… |
| 1918 | Kth Smallest Subarray Sum | 🟡 Medium | 46s | The problem asks us to find the kth smallest sum among all possible… |
| 1919 | Leetcodify Similar Friends | 🔴 Hard | 47s | This problem involves analyzing two database tables, Listens and Fr… |
| 1920 | Build Array from Permutation | 🟢 Easy | 1m 7s | The problem gives us a zero-based permutation array called nums. A … |
| 1921 | Eliminate Maximum Number of Monsters | 🟡 Medium | 1m 31s | This problem asks us to determine how many monsters we can eliminat… |
| 1922 | Count Good Numbers | 🟡 Medium | 1m 21s | The problem asks us to count how many digit strings of length n sat… |
| 1923 | Longest Common Subpath | 🔴 Hard | 1m 32s | The problem asks us to find the maximum length of a contiguous sequ… |
| 1924 | Erect the Fence II | 🔴 Hard | 51s | Here is a fully detailed technical solution guide for LeetCode 1924… |
| 1925 | Count Square Sum Triples | 🟢 Easy | 55s | This problem asks us to count all ordered triples (a, b, c) such th… |
| 1926 | Nearest Exit from Entrance in Maze | 🟡 Medium | 1m 26s | The problem gives us a rectangular maze represented by a 2D grid. E… |
| 1927 | Sum Game | 🟡 Medium | 1m 14s | The problem describes a two player game played on a numeric string … |
| 1928 | Minimum Cost to Reach Destination in Time | 🔴 Hard | 38s | The problem asks us to find the minimum cost to travel from city 0 … |
| 1929 | Concatenation of Array | 🟢 Easy | 33s | This problem asks us to take an input array nums of length n and pr… |
| 1930 | Unique Length-3 Palindromic Subsequences | 🟡 Medium | 52s | The problem asks us to count unique palindromic subsequences of len… |
| 1931 | Painting a Grid With Three Different Colors | 🔴 Hard | 51s | The problem is asking us to count the number of ways to paint an m … |
| 1932 | Merge BSTs to Create Single BST | 🔴 Hard | 38s | This problem asks us to take multiple very small binary search tree… |
| 1933 | Check if String Is Decomposable Into Value-Equal Substrings | 🟢 Easy | 52s | The problem asks us to determine if a given string s, consisting so… |
| 1934 | Confirmation Rate | 🟡 Medium | 57s | This problem asks us to calculate the confirmation rate for each us… |
| 1935 | Maximum Number of Words You Can Type | 🟢 Easy | 31s | The problem is asking us to determine how many words in a given str… |
| 1936 | Add Minimum Number of Rungs | 🟡 Medium | 1m | The problem gives us a ladder represented by a strictly increasing … |
| 1937 | Maximum Number of Points with Cost | 🟡 Medium | 1m 23s | The problem gives us an m x n matrix called points. We must choose … |
| 1938 | Maximum Genetic Difference Query | 🔴 Hard | 44s | The problem presents a rooted tree where each node is uniquely iden… |
| 1939 | Users That Actively Request Confirmation Messages | 🟢 Easy | 5m 1s | This problem asks us to identify users who requested confirmation m… |
| 1940 | Longest Common Subsequence Between Sorted Arrays | 🟡 Medium | 43s | The problem asks us to find the longest common subsequence (LCS) am… |
| 1941 | Check if All Characters Have Equal Number of Occurrences | 🟢 Easy | 53s | The problem asks us to determine whether a given string s is good, … |
| 1942 | The Number of the Smallest Unoccupied Chair | 🟡 Medium | 40s | This problem describes a scenario where a group of friends attends … |
| 1943 | Describe the Painting | 🟡 Medium | 1m 19s | The problem describes a painting laid out on a number line. Each se… |
| 1944 | Number of Visible People in a Queue | 🔴 Hard | 33s | The problem gives a queue of n people standing from left to right, … |
| 1945 | Sum of Digits of String After Convert | 🟢 Easy | 29s | This problem asks us to take a string of lowercase English letters … |
| 1946 | Largest Number After Mutating Substring | 🟡 Medium | 38s | This problem asks us to construct the lexicographically largest pos… |
| 1947 | Maximum Compatibility Score Sum | 🟡 Medium | 49s | The problem is asking us to optimally pair students with mentors su… |
| 1948 | Delete Duplicate Folders in System | 🔴 Hard | 37s | The problem gives a hierarchical file system represented as a list … |
| 1949 | Strong Friendship | 🟡 Medium | 1m 25s | The problem gives us a table named Friendship, where every row repr… |
| 1950 | Maximum of Minimum Values in All Subarrays | 🟡 Medium | 1m 23s | This problem asks us to compute, for every possible subarray size, … |
| 1951 | All the Pairs With the Maximum Number of Common Followers | 🟡 Medium | 52s | The problem provides a relational table named Relations, where each… |
| 1952 | Three Divisors | 🟢 Easy | 35s | The problem asks us to determine whether a given integer n has exac… |
| 1953 | Maximum Number of Weeks for Which You Can Work | 🟡 Medium | 1m 16s | The problem gives us an array called milestones, where each value r… |
| 1954 | Minimum Garden Perimeter to Collect Enough Apples | 🟡 Medium | 1m 13s | The problem describes an infinite two dimensional grid where every … |
| 1955 | Count Number of Special Subsequences | 🔴 Hard | 59s | This problem asks us to count the number of special subsequences in… |
| 1956 | Minimum Time For K Virus Variants to Spread | 🔴 Hard | 1m 39s | The problem describes multiple virus variants spreading across an i… |
| 1957 | Delete Characters to Make Fancy String | 🟢 Easy | 1m 14s | The problem asks us to transform a given string into a "fancy strin… |
| 1958 | Check if Move is Legal | 🟡 Medium | 55s | This problem asks us to determine whether a move in a board game is… |
| 1959 | Minimum Total Space Wasted With K Resizing Operations | 🟡 Medium | 35s | Let's go through a full, detailed technical solution guide for Leet… |
| 1960 | Maximum Product of the Length of Two Palindromic Substrings | 🔴 Hard | 1m 40s | The problem asks us to find two non-overlapping odd-length palindro… |
| 1961 | Check If String Is a Prefix of Array | 🟢 Easy | 4m 3s | The problem is asking us to determine whether a given string s can … |
| 1962 | Remove Stones to Minimize the Total | 🟡 Medium | 2m 4s | The problem gives us an array called piles, where each element repr… |
| 1963 | Minimum Number of Swaps to Make the String Balanced | 🟡 Medium | 42s | The problem asks us to transform a given string of brackets into a … |
| 1964 | Find the Longest Valid Obstacle Course at Each Position | 🔴 Hard | 1m 13s | The problem gives an array obstacles, where each value represents t… |
| 1965 | Employees With Missing Information | 🟢 Easy | 35s | The problem provides two relational tables, one named Employees and… |
| 1966 | Binary Searchable Numbers in an Unsorted Array | 🟡 Medium | 1m 19s | This problem asks us to identify how many numbers in an unsorted ar… |
| 1967 | Number of Strings That Appear as Substrings in Word | 🟢 Easy | 30s | The problem asks us to determine how many strings in the array patt… |
| 1968 | Array With Elements Not Equal to Average of Neighbors | 🟡 Medium | 36s | The problem asks us to rearrange a distinct integer array so that n… |
| 1969 | Minimum Non-Zero Product of the Array Elements | 🟡 Medium | 1m 8s | The problem gives us an integer p and defines an array containing e… |
| 1970 | Last Day Where You Can Still Cross | 🔴 Hard | 50s | This problem asks us to find the last day we can cross a grid from … |
| 1971 | Find if Path Exists in Graph | 🟢 Easy | 49s | The problem asks us to determine whether a path exists between two … |
| 1972 | First and Last Call On the Same Day | 🔴 Hard | 40s | The problem provides a table of phone call records where each row c… |
| 1973 | Count Nodes Equal to Sum of Descendants | 🟡 Medium | 44s | This problem asks us to analyze a binary tree and count how many no… |
| 1974 | Minimum Time to Type Word Using Special Typewriter | 🟢 Easy | 1m 12s | The problem describes a circular typewriter containing all lowercas… |
| 1975 | Maximum Matrix Sum | 🟡 Medium | 46s | The problem gives an n x n integer matrix and allows an operation w… |
| 1976 | Number of Ways to Arrive at Destination | 🟡 Medium | 1m 41s | This problem gives us a weighted, undirected graph. Each intersecti… |
| 1977 | Number of Ways to Separate Numbers | 🔴 Hard | 44s | The problem asks us to determine the number of ways a string of dig… |
| 1978 | Employees Whose Manager Left the Company | 🟢 Easy | 38s | The problem is asking us to find employees in a company who meet tw… |
| 1979 | Find Greatest Common Divisor of Array | 🟢 Easy | 29s | The problem asks us to compute the greatest common divisor (GCD) of… |
| 1980 | Find Unique Binary String | 🟡 Medium | 41s | The problem is asking us to find a binary string of length n that d… |
| 1981 | Minimize the Difference Between Target and Chosen Elements | 🟡 Medium | 54s | This problem asks us to select exactly one element from each row of… |
| 1982 | Find Array Given Subset Sums | 🔴 Hard | 35s | The problem gives us an integer n and an array sums of length 2^n, … |
| 1983 | Widest Pair of Indices With Equal Range Sum | 🟡 Medium | 52s | The problem asks us to find the widest subarray (continuous segment… |
| 1984 | Minimum Difference Between Highest and Lowest of K Scores | 🟢 Easy | 53s | The problem asks us to find the minimum possible difference between… |
| 1985 | Find the Kth Largest Integer in the Array | 🟡 Medium | 43s | This problem asks us to find the kth largest value among a list of … |
| 1986 | Minimum Number of Work Sessions to Finish the Tasks | 🟡 Medium | 1m 55s | This problem asks us to schedule a collection of tasks into the min… |
| 1987 | Number of Unique Good Subsequences | 🔴 Hard | 44s | The problem asks us to count how many distinct subsequences of a bi… |
| 1988 | Find Cutoff Score for Each School | 🟡 Medium | 40s | This problem asks us to compute a minimum score requirement (cutoff… |
| 1989 | Maximum Number of People That Can Be Caught in Tag | 🟡 Medium | 37s | The problem describes a line of people represented by a binary arra… |
| 1990 | Count the Number of Experiments | 🟡 Medium | 1m 9s | This problem gives us a database table named Experiments. Each row … |
| 1991 | Find the Middle Index in Array | 🟢 Easy | 1m 32s | The problem gives us a 0-indexed integer array called nums. We need… |
| 1992 | Find All Groups of Farmland | 🟡 Medium | 1m 26s | In this problem, we are given a binary matrix called land. Each cel… |
| 1993 | Operations on Tree | 🟡 Medium | 1m 32s | The problem asks us to design a mutable tree-based data structure t… |
| 1994 | The Number of Good Subsets | 🔴 Hard | 1m 32s | This problem asks us to count how many subsets of the input array h… |
| 1995 | Count Special Quadruplets | 🟢 Easy | 42s | The problem asks us to count the number of distinct quadruplets (a,… |
| 1996 | The Number of Weak Characters in the Game | 🟡 Medium | 1m 7s | In this problem, every character in the game has two attributes: - … |
| 1997 | First Day Where You Have Been in All the Rooms | 🟡 Medium | 44s | The problem describes a scenario where you visit a sequence of n ro… |
| 1998 | GCD Sort of an Array | 🔴 Hard | 58s | The problem asks whether it is possible to sort an integer array nu… |
| 1999 | Smallest Greater Multiple Made of Two Digits | 🟡 Medium | 59s | The problem asks us to find the smallest integer that satisfies thr… |
| 2000 | Reverse Prefix of Word | 🟢 Easy | 58s | The problem gives us a string word and a character ch. We must loca… |
| 2001 | Number of Pairs of Interchangeable Rectangles | 🟡 Medium | 2m 30s | This problem asks us to count how many pairs of rectangles are inte… |
| 2002 | Maximum Product of the Length of Two Palindromic Subsequences | 🟡 Medium | 6m 9s | The problem is asking us to find two disjoint palindromic subsequen… |
| 2003 | Smallest Missing Genetic Value in Each Subtree | 🔴 Hard | 6m 10s | This problem asks us to compute, for every node in a rooted tree, t… |
| 2004 | The Number of Seniors and Juniors to Join the Company | 🔴 Hard | 1m 20s | This problem requires determining how many candidates a company can… |
| 2005 | Subtree Removal Game with Fibonacci Tree | 🔴 Hard | 1m 12s | The problem defines a special kind of binary tree called a Fibonacc… |
| 2006 | Count Number of Pairs With Absolute Difference K | 🟢 Easy | 1m 20s | The problem gives us an integer array nums and an integer k. We nee… |
| 2007 | Find Original Array From Doubled Array | 🟡 Medium | 1m 27s | The problem gives us an array called changed, which was supposedly … |
| 2008 | Maximum Earnings From Taxi | 🟡 Medium | 1m 24s | The problem describes a taxi traveling along a one directional road… |
| 2009 | Minimum Number of Operations to Make Array Continuous | 🔴 Hard | 1m 1s | The problem asks us to transform a given integer array nums into a … |
| 2010 | The Number of Seniors and Juniors to Join the Company II | 🔴 Hard | 1m 25s | The problem asks us to simulate a hiring process with a fixed salar… |
| 2011 | Final Value of Variable After Performing Operations | 🟢 Easy | 57s | This problem asks us to simulate a simple programming language with… |
| 2012 | Sum of Beauty in the Array | 🟡 Medium | 1m | The problem asks us to compute a "beauty" score for each element in… |
| 2013 | Detect Squares | 🟡 Medium | 1m 41s | The problem presents a stream of points in a 2D plane and asks us t… |
| 2014 | Longest Subsequence Repeated k Times | 🔴 Hard | 59s | The problem asks us to find the longest subsequence of a string s t… |
| 2015 | Average Height of Buildings in Each Segment | 🟡 Medium | 1m 57s | The problem describes a street as a number line, and each building … |
| 2016 | Maximum Difference Between Increasing Elements | 🟢 Easy | 55s | The problem is asking us to find the maximum difference between two… |
| 2017 | Grid Game | 🟡 Medium | 1m 21s | The problem gives us a 2 x n grid where each cell contains some num… |
| 2018 | Check if Word Can Be Placed In Crossword | 🟡 Medium | 1m 8s | This problem asks us to determine whether a given word can be legal… |
| 2019 | The Score of Students Solving Math Expression | 🔴 Hard | 1m 38s | The problem gives us a mathematical expression string s containing … |
| 2020 | Number of Accounts That Did Not Stream | 🟡 Medium | 1m 17s | This problem asks us to analyze two database tables, Subscriptions … |
| 2021 | Brightest Position on Street | 🟡 Medium | 1m 2s | The problem asks us to find the position on a straight street that … |
| 2022 | Convert 1D Array Into 2D Array | 🟢 Easy | 47s | The problem asks us to transform a one-dimensional array, original,… |
| 2023 | Number of Pairs of Strings With Concatenation Equal to Target | 🟡 Medium | 1m 2s | The problem asks us to find the number of ordered pairs of indices … |
| 2024 | Maximize the Confusion of an Exam | 🟡 Medium | 1m 26s | This problem asks us to maximize the length of a contiguous block o… |
| 2025 | Maximum Number of Ways to Partition an Array | 🔴 Hard | 1m 39s | The problem asks us to count how many valid partition points exist … |
| 2026 | Low-Quality Problems | 🟢 Easy | 1m 26s | The problem gives us a database table named Problems. Each row repr… |
| 2027 | Minimum Moves to Convert String | 🟢 Easy | 1m 1s | The problem asks us to transform a string s containing only charact… |
| 2028 | Find Missing Observations | 🟡 Medium | 1m 33s | The problem gives us the results of some dice rolls and asks us to … |
| 2029 | Stone Game IX | 🟡 Medium | 58s | The problem describes a turn-based game between Alice and Bob with … |
| 2030 | Smallest K-Length Subsequence With Occurrences of a Letter | 🔴 Hard | 1m 45s | The problem asks us to construct the lexicographically smallest sub… |
| 2031 | Count Subarrays With More Ones Than Zeros | 🟡 Medium | 1m 53s | This problem asks us to count all subarrays of a binary array nums … |
| 2032 | Two Out of Three | 🟢 Easy | 1m 4s | The problem asks us to identify all distinct integers that appear i… |
| 2033 | Minimum Operations to Make a Uni-Value Grid | 🟡 Medium | 1m 28s | The problem gives us a 2D integer matrix called grid and an integer… |
| 2034 | Stock Price Fluctuation | 🟡 Medium | 1m 13s | Here’s a complete, detailed technical solution guide for LeetCode 2… |
| 2035 | Partition Array Into Two Arrays to Minimize Sum Difference | 🔴 Hard | 1m 37s | The problem gives an array nums containing exactly 2 n integers. We… |
| 2036 | Maximum Alternating Subarray Sum | 🟡 Medium | 56s | The problem asks us to compute the maximum alternating subarray sum… |
| 2037 | Minimum Number of Moves to Seat Everyone | 🟢 Easy | 1m 10s | This problem asks us to assign students to seats such that every st… |
| 2038 | Remove Colored Pieces if Both Neighbors are the Same Color | 🟡 Medium | 1m 1s | This problem describes a two-player game played on a line of colore… |
| 2039 | The Time When the Network Becomes Idle | 🟡 Medium | 1m 2s | This problem involves a network of servers where server 0 is the ma… |
| 2040 | Kth Smallest Product of Two Sorted Arrays | 🔴 Hard | 1m | The problem asks for the k-th smallest product that can be formed b… |
| 2041 | Accepted Candidates From the Interviews | 🟡 Medium | 1m 24s | The problem gives us two database tables, Candidates and Rounds, th… |
| 2042 | Check if Numbers Are Ascending in a Sentence | 🟢 Easy | 59s | The problem asks us to analyze a sentence represented as a string s… |
| 2043 | Simple Bank System | 🟡 Medium | 1m 20s | This problem asks us to design a very simple banking system that su… |
| 2044 | Count Number of Maximum Bitwise-OR Subsets | 🟡 Medium | 1m 14s | The problem asks us to examine every possible non-empty subset of t… |
| 2045 | Second Minimum Time to Reach Destination | 🔴 Hard | 51s | Here is a comprehensive technical solution guide for LeetCode 2045 … |
| 2046 | Sort Linked List Already Sorted Using Absolute Values | 🟡 Medium | 51s | The problem provides a singly linked list where the nodes are sorte… |
| 2047 | Number of Valid Words in a Sentence | 🟢 Easy | 1m 5s | This problem asks us to count the number of valid words in a senten… |
| 2048 | Next Greater Numerically Balanced Number | 🟡 Medium | 1m 17s | The problem asks us to find the smallest integer strictly greater t… |
| 2049 | Count Nodes With the Highest Score | 🟡 Medium | 1m 31s | The input describes a rooted binary tree using a parent array. Ever… |
| 2050 | Parallel Courses III | 🔴 Hard | 53s | The problem asks us to determine the minimum number of months requi… |
| 2051 | The Category of Each Member in the Store | 🟡 Medium | 1m 30s | This problem asks us to classify every store member into a category… |
| 2052 | Minimum Cost to Separate Sentence Into Rows | 🟡 Medium | 1m 26s | This problem asks us to format a sentence into multiple rows such t… |
| 2053 | Kth Distinct String in an Array | 🟢 Easy | 1m 23s | The problem asks us to find the kth distinct string in an array of … |
| 2054 | Two Best Non-Overlapping Events | 🟡 Medium | 1m 27s | The problem gives us a list of events, where each event is represen… |
| 2055 | Plates Between Candles | 🟡 Medium | 1m 28s | The problem gives us a string s made of two characters: - '' repres… |
| 2056 | Number of Valid Move Combinations On Chessboard | 🔴 Hard | 53s | The problem asks us to calculate the total number of valid move com… |
| 2057 | Smallest Index With Equal Value | 🟢 Easy | 1m 12s | The problem gives us a 0-indexed integer array nums. We must find t… |
| 2058 | Find the Minimum and Maximum Number of Nodes Between Critical Points | 🟡 Medium | 1m 23s | The problem gives us a singly linked list and asks us to identify a… |
| 2059 | Minimum Operations to Convert Number | 🟡 Medium | 1m 25s | This problem asks us to transform a starting integer into a target … |
| 2060 | Check if an Original String Exists Given Two Encoded Strings | 🔴 Hard | 56s | The problem is asking us to determine whether there exists a single… |
| 2061 | Number of Spaces Cleaning Robot Cleaned | 🟡 Medium | 1m 22s | In this problem, we are given a 2D binary matrix called room. Each … |
| 2062 | Count Vowel Substrings of a String | 🟢 Easy | 52s | The problem requires counting the number of vowel substrings in a g… |
| 2063 | Vowels of All Substrings | 🟡 Medium | 1m 17s | The problem asks us to compute the total number of vowels that appe… |
| 2064 | Minimized Maximum of Products Distributed to Any Store | 🟡 Medium | 1m 15s | The problem gives us n retail stores and an array quantities, where… |
| 2065 | Maximum Path Quality of a Graph | 🔴 Hard | 1m 20s | We are given an undirected weighted graph where each node has an as… |
| 2066 | Account Balance | 🟡 Medium | 1m 16s | This problem asks us to compute the running balance for every bank … |
| 2067 | Number of Equal Count Substrings | 🟡 Medium | 52s | The problem asks us to count the number of substrings in a string s… |
| 2068 | Check Whether Two Strings are Almost Equivalent | 🟢 Easy | 1m 13s | The problem asks us to determine whether two strings are "almost eq… |
| 2069 | Walking Robot Simulation II | 🟡 Medium | 53s | The problem describes a simulation of a robot moving on a rectangul… |
| 2070 | Most Beautiful Item for Each Query | 🟡 Medium | 1m 22s | The problem gives us a list of items, where each item has two prope… |
| 2071 | Maximum Number of Tasks You Can Assign | 🔴 Hard | 1m 23s | This problem asks us to maximize the number of tasks that can be co… |
| 2072 | The Winner University | 🟢 Easy | 1m 26s | The problem gives us two database tables, NewYork and California. E… |
| 2073 | Time Needed to Buy Tickets | 🟢 Easy | 53s | This problem describes a queue of n people, each wanting to buy a c… |
| 2074 | Reverse Nodes in Even Length Groups | 🟡 Medium | 1m 25s | This problem gives us a singly linked list and asks us to process t… |
| 2075 | Decode the Slanted Ciphertext | 🟡 Medium | 46s | The problem requires decoding a string that was encoded using a sla… |
| 2076 | Process Restricted Friend Requests | 🔴 Hard | 1m 33s | This problem models a social network with friendship restrictions. … |
| 2077 | Paths in Maze That Lead to Same Room | 🟡 Medium | 48s | The problem asks us to analyze a maze represented as an undirected … |
| 2078 | Two Furthest Houses With Different Colors | 🟢 Easy | 1m | The problem is asking us to find the maximum distance between two h… |
| 2079 | Watering Plants | 🟡 Medium | 1m 2s | This problem asks us to simulate watering a row of plants with a wa… |
| 2080 | Range Frequency Queries | 🟡 Medium | 1m 25s | The problem asks us to design a data structure that can efficiently… |
| 2081 | Sum of k-Mirror Numbers | 🔴 Hard | 46s | The problem asks us to find the sum of the n smallest k-mirror numb… |
| 2082 | The Number of Rich Customers | 🟢 Easy | 1m 10s | The problem gives us a database table named Store. Each row in the … |
| 2083 | Substrings That Begin and End With the Same Letter | 🟡 Medium | 42s | The problem asks us to count all substrings in a given string s tha… |
| 2084 | Drop Type 1 Orders for Customers With Type 0 Orders | 🟡 Medium | 1m 39s | In this problem, we are given a database table named Orders. Each r… |
| 2085 | Count Common Words With One Occurrence | 🟢 Easy | 1m 18s | This problem gives us two arrays of strings, words1 and words2. Our… |
| 2086 | Minimum Number of Food Buckets to Feed the Hamsters | 🟡 Medium | 52s | The problem is asking us to place the minimum number of food bucket… |
| 2087 | Minimum Cost Homecoming of a Robot in a Grid | 🟡 Medium | 1m 23s | The problem gives us a robot located on a two dimensional grid. The… |
| 2088 | Count Fertile Pyramids in a Land | 🔴 Hard | 1m 32s | The problem gives us a binary matrix where each cell represents a p… |
| 2089 | Find Target Indices After Sorting Array | 🟢 Easy | 1m 4s | The problem gives us an integer array nums and an integer target. W… |
| 2090 | K Radius Subarray Averages | 🟡 Medium | 1m 11s | The problem asks us to compute a special average for every index in… |
| 2091 | Removing Minimum and Maximum From Array | 🟡 Medium | 1m 18s | The problem gives us a 0-indexed array of distinct integers. Among … |
| 2092 | Find All People With Secret | 🔴 Hard | 1m 49s | The problem describes a network of people who meet at different tim… |
| 2093 | Minimum Cost to Reach City With Discounts | 🟡 Medium | 1m 29s | This problem describes a weighted, undirected graph where each city… |
| 2094 | Finding 3-Digit Even Numbers | 🟢 Easy | 1m 45s | The problem gives us an array named digits, where every element is … |
| 2095 | Delete the Middle Node of a Linked List | 🟡 Medium | 1m 17s | The problem gives us the head of a singly linked list and asks us t… |
| 2096 | Step-By-Step Directions From a Binary Tree Node to Another | 🟡 Medium | 1m 24s | The problem gives us a binary tree where every node contains a uniq… |
| 2097 | Valid Arrangement of Pairs | 🔴 Hard | 1m 23s | This problem gives us a list of directed pairs, where each pair [st… |
| 2098 | Subsequence of Size K With the Largest Even Sum | 🟡 Medium | 1m 6s | The problem asks us to find the largest possible even sum of a subs… |
| 2099 | Find Subsequence of Length K With the Largest Sum | 🟢 Easy | 50s | The problem asks us to find a subsequence of length k from a given … |
| 2100 | Find Good Days to Rob the Bank | 🟡 Medium | 52s | The problem asks us to find all days that are "good" for robbing a … |
| 2101 | Detonate the Maximum Bombs | 🟡 Medium | 1m 18s | In this problem, each bomb is represented by three integers: its x-… |
| 2102 | Sequentially Ordinal Rank Tracker | 🔴 Hard | 1m 27s | The problem asks us to design a data structure that continuously tr… |
| 2103 | Rings and Rods | 🟢 Easy | 52s | The problem is asking us to determine how many rods, labeled from 0… |
| 2104 | Sum of Subarray Ranges | 🟡 Medium | 1m 45s | The problem gives us an integer array nums, and asks us to compute … |
| 2105 | Watering Plants II | 🟡 Medium | 1m 36s | In this problem, we are given a row of plants where each plant requ… |
| 2106 | Maximum Fruits Harvested After at Most K Steps | 🔴 Hard | 1m 32s | In this problem, we are given several fruit piles placed on an infi… |
| 2107 | Number of Unique Flavors After Sharing K Candies | 🟡 Medium | 1m 15s | The problem gives us an integer array candies, where each value rep… |
| 2108 | Find First Palindromic String in the Array | 🟢 Easy | 1m 28s | The problem asks us to examine an array of strings, words, and iden… |
| 2109 | Adding Spaces to a String | 🟡 Medium | 39s | The problem requires us to insert spaces into a given string s at s… |
| 2110 | Number of Smooth Descent Periods of a Stock | 🟡 Medium | 1m 8s | This problem is asking us to count all "smooth descent periods" in … |
| 2111 | Minimum Operations to Make the Array K-Increasing | 🔴 Hard | 52s | The problem asks us to transform a given array arr into a K-increas… |
| 2112 | The Airport With the Most Traffic | 🟡 Medium | 55s | This problem asks us to find the airport(s) with the most traffic u… |
| 2113 | Elements in Array After Removing and Replacing Elements | 🟡 Medium | 1m 23s | The problem describes an array that continuously goes through a rep… |
| 2114 | Maximum Number of Words Found in Sentences | 🟢 Easy | 1m 6s | In this problem, we are given an array of strings called sentences.… |
| 2115 | Find All Possible Recipes from Given Supplies | 🟡 Medium | 1m 14s | This problem asks us to determine which recipes can be created when… |
| 2116 | Check if a Parentheses String Can Be Valid | 🟡 Medium | 1m 23s | This problem asks whether a given parentheses string can be transfo… |
| 2117 | Abbreviating the Product of a Range | 🔴 Hard | 1m 5s | We are given two integers, a and b. The task is deceptively small b… |
| 2118 | Build the Equation | 🔴 Hard | 55s | The problem asks us to construct a polynomial equation from a datab… |
| 2119 | A Number After a Double Reversal | 🟢 Easy | 1m 26s | The problem asks us to determine whether a number remains unchanged… |
| 2120 | Execution of All Suffix Instructions Staying in a Grid | 🟡 Medium | 59s | The problem asks us to simulate a robot moving on an n x n grid, st… |
| 2121 | Intervals Between Identical Elements | 🟡 Medium | 1m 14s | You are given a 0-indexed integer array arr. For every index i, you… |
| 2122 | Recover the Original Array | 🔴 Hard | 57s | The problem presents a scenario in which Alice has an original arra… |
| 2123 | Minimum Operations to Remove Adjacent Ones in Matrix | 🔴 Hard | 50s | The problem presents a binary matrix where each element is either 0… |
| 2124 | Check if All A's Appears Before All B's | 🟢 Easy | 1m 56s | The problem gives us a string s that contains only two possible cha… |
| 2125 | Number of Laser Beams in a Bank | 🟡 Medium | 3m 24s | The problem describes a bank floor plan as a binary matrix, represe… |
| 2126 | Destroying Asteroids | 🟡 Medium | 1m 19s | In this problem, we are given the starting mass of a planet and a l… |
| 2127 | Maximum Employees to Be Invited to a Meeting | 🔴 Hard | 5m 52s | This problem describes a group of employees sitting around a circul… |
| 2128 | Remove All Ones With Row and Column Flips | 🟡 Medium | 1m 21s | The problem gives us an m x n binary matrix named grid, where every… |
| 2129 | Capitalize the Title | 🟢 Easy | 1m 5s | The problem asks us to transform the capitalization of every word i… |
| 2130 | Maximum Twin Sum of a Linked List | 🟡 Medium | 7m 7s | The problem gives us a singly linked list with an even number of no… |
| 2131 | Longest Palindrome by Concatenating Two Letter Words | 🟡 Medium | 57s | This problem asks us to construct the longest possible palindrome u… |
| 2132 | Stamping the Grid | 🔴 Hard | 1m 43s | In this problem, we are given a binary matrix called grid. Every ce… |
| 2133 | Check if Every Row and Column Contains All Numbers | 🟢 Easy | 2m 20s | In this problem, we are given an n x n matrix where every value is … |
| 2134 | Minimum Swaps to Group All 1's Together II | 🟡 Medium | 2m 20s | The problem is asking us to find the minimum number of swaps requir… |
| 2135 | Count Words Obtained After Adding a Letter | 🟡 Medium | 47s | The problem requires us to determine how many strings in targetWord… |
| 2136 | Earliest Possible Day of Full Bloom | 🔴 Hard | 46s | The problem presents a scenario where we have n flower seeds, each … |
| 2137 | Pour Water Between Buckets to Make Water Levels Equal | 🟡 Medium | 49s | This problem asks us to equalize the water levels in a series of bu… |
| 2138 | Divide a String Into Groups of Size k | 🟢 Easy | 1m 18s | The problem asks us to split a string into consecutive groups, wher… |
| 2139 | Minimum Moves to Reach Target Score | 🟡 Medium | 1m 12s | The problem asks us to transform the integer 1 into the integer tar… |
| 2140 | Solving Questions With Brainpower | 🟡 Medium | 1m 18s | The problem gives us an array called questions, where each element … |
| 2141 | Maximum Running Time of N Computers | 🔴 Hard | 50s | The problem is asking us to determine the maximum number of minutes… |
| 2142 | The Number of Passengers in Each Bus I | 🟡 Medium | 48s | This problem involves simulating passengers arriving at a bus stati… |
| 2143 | Choose Numbers From Two Arrays in Range | 🔴 Hard | 1m 37s | In this problem, we are given two arrays, nums1 and nums2, both of … |
| 2144 | Minimum Cost of Buying Candies With Discount | 🟢 Easy | 1m 39s | This problem asks us to minimize the total amount of money spent wh… |
| 2145 | Count the Hidden Sequences | 🟡 Medium | 50s | The problem asks us to determine how many possible sequences of int… |
| 2146 | K Highest Ranked Items Within a Price Range | 🟡 Medium | 1m 41s | This problem gives us a 2D grid representing a shop layout. Every c… |
| 2147 | Number of Ways to Divide a Long Corridor | 🔴 Hard | 1m 6s | The problem presents a long corridor represented as a string, where… |
| 2148 | Count Elements With Strictly Smaller and Greater Elements | 🟢 Easy | 1m 15s | The problem gives us an integer array nums and asks us to count how… |
| 2149 | Rearrange Array Elements by Sign | 🟡 Medium | 49s | The problem asks us to rearrange a given integer array nums such th… |
| 2150 | Find All Lonely Numbers in the Array | 🟡 Medium | 1m 32s | The corridor is represented as a string where each character is eit… |
| 2151 | Maximum Good People Based on Statements | 🔴 Hard | 1m | The problem asks us to determine the maximum number of good people … |
| 2152 | Minimum Number of Lines to Cover Points | 🟡 Medium | 54s | This problem asks us to determine the minimum number of straight li… |
| 2153 | The Number of Passengers in Each Bus II | 🔴 Hard | 46s | The problem describes a simulation of passengers arriving at a bus … |
| 2154 | Keep Multiplying Found Values by Two | 🟢 Easy | 1m 7s | This problem asks us to repeatedly search for a value inside an int… |
| 2155 | All Divisions With the Highest Score of a Binary Array | 🟡 Medium | 1m 13s | The problem gives us a binary array nums, meaning every element is … |
| 2156 | Find Substring With Given Hash Value | 🔴 Hard | 1m 33s | This problem asks us to find the earliest substring of length k who… |
| 2157 | Groups of Strings | 🔴 Hard | 56s | The problem asks us to group a list of unique lowercase strings bas… |
| 2158 | Amount of New Area Painted Each Day | 🔴 Hard | 43s | This problem describes a painting scenario represented as a one-dim… |
| 2159 | Order Two Columns Independently | 🟡 Medium | 54s | The problem provides a database table named Data with two integer c… |
| 2160 | Minimum Sum of Four Digit Number After Splitting Digits | 🟢 Easy | 45s | The problem asks us to take a four-digit integer num and split its … |
| 2161 | Partition Array According to Given Pivot | 🟡 Medium | 1m 17s | This problem asks us to rearrange an array around a given pivot val… |
| 2162 | Minimum Cost to Set Cooking Time | 🟡 Medium | 1m 18s | This problem asks us to simulate the process of entering a cooking … |
| 2163 | Minimum Difference in Sums After Removal of Elements | 🔴 Hard | 9m 32s | The array contains exactly 3 n elements. We must remove exactly n e… |
| 2164 | Sort Even and Odd Indices Independently | 🟢 Easy | 2m 19s | The problem asks us to take an integer array nums and sort its elem… |
| 2165 | Smallest Value of the Rearranged Number | 🟡 Medium | 1m 7s | In this problem, we are given an integer num, which may be positive… |
| 2166 | Design Bitset | 🟡 Medium | 1m 29s | This problem asks us to design a custom Bitset data structure that … |
| 2167 | Minimum Time to Remove All Cars Containing Illegal Goods | 🔴 Hard | 47s | The problem presents a binary string s representing a sequence of t… |
| 2168 | Unique Substrings With Equal Digit Frequency | 🟡 Medium | 1m 18s | The problem gives us a string s consisting only of digits from '0' … |
| 2169 | Count Operations to Obtain Zero | 🟢 Easy | 44s | The problem asks us to count the number of operations required to r… |
| 2170 | Minimum Operations to Make the Array Alternating | 🟡 Medium | 49s | The problem requires transforming a given integer array nums into a… |
| 2171 | Removing Minimum Number of Magic Beans | 🟡 Medium | 53s | The problem asks us to remove beans from bags in such a way that al… |
| 2172 | Maximum AND Sum of Array | 🔴 Hard | 1m 34s | This problem asks us to distribute a set of integers into numbered … |
| 2173 | Longest Winning Streak | 🔴 Hard | 1m 1s | This problem is asking us to determine the longest sequence of cons… |
| 2174 | Remove All Ones With Row and Column Flips II | 🟡 Medium | 4m 20s | The problem gives us an m x n binary matrix where every cell contai… |
| 2175 | The Change in Global Rankings | 🟡 Medium | 2m 1s | This problem asks us to determine how the global rankings of nation… |
| 2176 | Count Equal and Divisible Pairs in an Array | 🟢 Easy | 56s | The problem gives us a 0-indexed integer array nums and an integer … |
| 2177 | Find Three Consecutive Integers That Sum to a Given Number | 🟡 Medium | 59s | This problem asks us to determine whether a given integer num can b… |
| 2178 | Maximum Split of Positive Even Integers | 🟡 Medium | 43s | The problem is asking us to take an input integer finalSum and spli… |
| 2179 | Count Good Triplets in an Array | 🔴 Hard | 1m 36s | In this problem, we are given two arrays, nums1 and nums2, each con… |
| 2180 | Count Integers With Even Digit Sum | 🟢 Easy | 45s | The problem asks us to count all positive integers less than or equ… |
| 2181 | Merge Nodes in Between Zeros | 🟡 Medium | 1m 13s | The problem gives us a singly linked list where the values are grou… |
| 2182 | Construct String With Repeat Limit | 🟡 Medium | 1m 41s | The problem asks us to construct a string from the characters of a … |
| 2183 | Count Array Pairs Divisible by K | 🔴 Hard | 1m 13s | The problem gives us an integer array nums and an integer k. We mus… |
| 2184 | Number of Ways to Build Sturdy Brick Wall | 🟡 Medium | 43s | The problem asks us to compute the number of ways to build a wall o… |
| 2185 | Counting Words With a Given Prefix | 🟢 Easy | 1m 16s | The problem gives us two inputs: - An array of strings called words… |
| 2186 | Minimum Number of Steps to Make Two Strings Anagram II | 🟡 Medium | 49s | The problem asks us to find the minimum number of steps required to… |
| 2187 | Minimum Time to Complete Trips | 🟡 Medium | 54s | The problem asks us to determine the minimum time required for a fl… |
| 2188 | Minimum Time to Finish the Race | 🔴 Hard | 5m 35s | The problem asks us to find the minimum total time to complete a ra… |
| 2189 | Number of Ways to Build House of Cards | 🟡 Medium | 1m 1s | The problem is asking us to count the number of distinct ways to bu… |
| 2190 | Most Frequent Number Following Key In an Array | 🟢 Easy | 2m 20s | The problem asks us to find the integer that appears most frequentl… |
| 2191 | Sort the Jumbled Numbers | 🟡 Medium | 37s | The problem asks us to sort an array of integers based on a custom … |
| 2192 | All Ancestors of a Node in a Directed Acyclic Graph | 🟡 Medium | 1m 49s | This problem gives us a Directed Acyclic Graph (DAG) with n nodes l… |
| 2193 | Minimum Number of Moves to Make Palindrome | 🔴 Hard | 1m 15s | This problem asks us to transform a given string into a palindrome … |
| 2194 | Cells in a Range on an Excel Sheet | 🟢 Easy | 39s | This problem is asking us to generate all the Excel-style cell refe… |
| 2195 | Append K Integers With Minimal Sum | 🟡 Medium | 2m 24s | The problem asks us to append k unique positive integers to an exis… |
| 2196 | Create Binary Tree From Descriptions | 🟡 Medium | 10m 30s | The problem asks us to construct a binary tree from a list of relat… |
| 2197 | Replace Non-Coprime Numbers in Array | 🔴 Hard | 2m 21s | The problem asks us to repeatedly replace adjacent non-coprime numb… |
| 2198 | Number of Single Divisor Triplets | 🟡 Medium | 1m 22s | The problem asks us to count how many ordered triplets of distinct … |
| 2199 | Finding the Topic of Each Post | 🔴 Hard | 1m 20s | The problem gives us two database tables, Keywords and Posts. The K… |
| 2200 | Find All K-Distant Indices in an Array | 🟢 Easy | 47s | The problem requires identifying all indices in an array nums that … |
| 2201 | Count Artifacts That Can Be Extracted | 🟡 Medium | 1m 30s | This problem models an excavation process on a square n x n grid. S… |
| 2202 | Maximize the Topmost Element After K Moves | 🟡 Medium | 1m 19s | In this problem, we are given a pile of integers represented as an … |
| 2203 | Minimum Weighted Subgraph With the Required Paths | 🔴 Hard | 2m 43s | This problem gives us a weighted directed graph with n nodes and a … |
| 2204 | Distance to a Cycle in Undirected Graph | 🔴 Hard | 1m 27s | This problem gives us a connected undirected graph with n nodes and… |
| 2205 | The Number of Users That Are Eligible for Discount | 🟢 Easy | 1m 51s | The problem gives us a table named Purchases, where each row repres… |
| 2206 | Divide Array Into Equal Pairs | 🟢 Easy | 2m 19s | The problem gives us an integer array nums containing exactly 2 n e… |
| 2207 | Maximize Number of Subsequences in a String | 🟡 Medium | 2m 1s | This problem asks us to maximize the number of times a two-characte… |
| 2208 | Minimum Operations to Halve Array Sum | 🟡 Medium | 7m 36s | This problem asks us to repeatedly reduce numbers in an array until… |
| 2209 | Minimum White Tiles After Covering With Carpets | 🔴 Hard | 43s | The problem presents a binary string floor representing a row of ti… |
| 2210 | Count Hills and Valleys in an Array | 🟢 Easy | 40s | The problem asks us to identify hills and valleys in an integer arr… |
| 2211 | Count Collisions on a Road | 🟡 Medium | 1m 13s | The problem describes a one dimensional road containing cars positi… |
| 2212 | Maximum Points in an Archery Competition | 🟡 Medium | 46s | The problem is asking us to determine the optimal way for Bob to di… |
| 2213 | Longest Substring of One Repeating Character | 🔴 Hard | 3m 11s | The problem gives us an initial string s and a sequence of update o… |
| 2214 | Minimum Health to Beat Game | 🟡 Medium | 50s | The problem presents a sequential game consisting of n levels, wher… |
| 2215 | Find the Difference of Two Arrays | 🟢 Easy | 1m 10s | This problem asks us to compare two integer arrays and identify the… |
| 2216 | Minimum Deletions to Make Array Beautiful | 🟡 Medium | 39s | The problem asks us to transform a given integer array nums into a … |
| 2217 | Find Palindrome With Fixed Length | 🟡 Medium | 6m 49s | The problem asks us to find the k-th smallest positive palindrome o… |
| 2218 | Maximum Value of K Coins From Piles | 🔴 Hard | 3m 40s | This problem asks us to maximize the total value of coins collected… |
| 2219 | Maximum Sum Score of Array | 🟡 Medium | 1m 18s | The problem gives us a 0-indexed integer array nums of length n and… |
| 2220 | Minimum Bit Flips to Convert Number | 🟢 Easy | 42s | The problem asks us to determine the minimum number of bit flips re… |
| 2221 | Find Triangular Sum of an Array | 🟡 Medium | 56s | The problem asks us to compute the triangular sum of an array of di… |
| 2222 | Number of Ways to Select Buildings | 🟡 Medium | 4m 10s | The problem asks us to count the number of ways to select exactly 3… |
| 2223 | Sum of Scores of Built Strings | 🔴 Hard | 2m 48s | The problem gives us a final string s and describes a process where… |
| 2224 | Minimum Number of Operations to Convert Time | 🟢 Easy | 1m 11s | The problem asks us to calculate the minimum number of operations t… |
| 2225 | Find Players With Zero or One Losses | 🟡 Medium | 1m 36s | The problem gives us a list of match results. Each match is represe… |
| 2226 | Maximum Candies Allocated to K Children | 🟡 Medium | 1m 3s | This problem asks us to determine the largest number of candies tha… |
| 2227 | Encrypt and Decrypt Strings | 🔴 Hard | 5m 31s | This problem asks us to implement an Encrypter class that can both … |
| 2228 | Users With Two Purchases Within Seven Days | 🟡 Medium | 55s | The problem requires identifying users who made at least two purcha… |
| 2229 | Check if an Array Is Consecutive | 🟢 Easy | 1m 21s | The problem asks us to determine whether an integer array forms a p… |
| 2230 | The Users That Are Eligible for Discount | 🟢 Easy | 1m 22s | This problem asks us to identify all users who qualify for a discou… |
| 2231 | Largest Number After Digit Swaps by Parity | 🟢 Easy | 1m 15s | The problem gives us a positive integer num and allows us to swap d… |
| 2232 | Minimize Result by Adding Parentheses to Expression | 🟡 Medium | 53s | The problem presents a string expression in the form "<num1+<num2",… |
| 2233 | Maximum Product After K Increments | 🟡 Medium | 1m 22s | The problem asks us to maximize the product of an array of non-nega… |
| 2234 | Maximum Total Beauty of the Gardens | 🔴 Hard | 1m 21s | In this problem, we are given several gardens, where flowers[i] rep… |
| 2235 | Add Two Integers | 🟢 Easy | 37s | The problem is asking for the sum of two integers num1 and num2. In… |
| 2236 | Root Equals Sum of Children | 🟢 Easy | 52s | This problem gives us a binary tree that always contains exactly th… |
| 2237 | Count Positions on Street With Required Brightness | 🟡 Medium | 36s | The problem describes a street represented by positions from 0 to n… |
| 2238 | Number of Times a Driver Was a Passenger | 🟡 Medium | 39s | The problem provides a table Rides that records rides between drive… |
| 2239 | Find Closest Number to Zero | 🟢 Easy | 57s | The problem gives us an integer array nums, and we need to return t… |
| 2240 | Number of Ways to Buy Pens and Pencils | 🟡 Medium | 54s | The problem asks us to determine the number of distinct ways to spe… |
| 2241 | Design an ATM Machine | 🟡 Medium | 1m 9s | The problem asks us to design a simulation of an ATM machine that c… |
| 2242 | Maximum Score of a Node Sequence | 🔴 Hard | 1m 21s | The problem gives us an undirected graph with n nodes. Each node ha… |
| 2243 | Calculate Digit Sum of a String | 🟢 Easy | 55s | This problem asks us to repeatedly transform a numeric string until… |
| 2244 | Minimum Rounds to Complete All Tasks | 🟡 Medium | 2m 19s | Here is a complete, detailed technical solution guide for LeetCode … |
| 2245 | Maximum Trailing Zeros in a Cornered Path | 🟡 Medium | 2m 21s | This problem asks us to find a path in a matrix whose product conta… |
| 2246 | Longest Path With Different Adjacent Characters | 🔴 Hard | 3m 8s | The problem gives a tree with n nodes labeled 0 to n-1, rooted at n… |
| 2247 | Maximum Cost of Trip With K Highways | 🔴 Hard | 2m 20s | The problem gives us an undirected weighted graph with n cities and… |
| 2248 | Intersection of Multiple Arrays | 🟢 Easy | 39s | The problem is asking us to find the intersection of multiple array… |
| 2249 | Count Lattice Points Inside a Circle | 🟡 Medium | 42s | The problem asks us to determine how many lattice points lie inside… |
| 2250 | Count Number of Rectangles Containing Each Point | 🟡 Medium | 1m 2s | Here is the complete, detailed technical solution guide for LeetCod… |
| 2251 | Number of Flowers in Full Bloom | 🔴 Hard | 38s | The problem asks us to determine, for a list of people arriving at … |
| 2252 | Dynamic Pivoting of a Table | 🔴 Hard | 1m 12s | This problem requires implementing a SQL-style pivot operation prog… |
| 2253 | Dynamic Unpivoting of a Table | 🔴 Hard | 1m 13s | This problem asks us to transform a wide table into a normalized ro… |
| 2254 | Design Video Sharing Platform | 🔴 Hard | 6m 4s | Certainly. Here is a complete, detailed technical solution guide fo… |
| 2255 | Count Prefixes of a Given String | 🟢 Easy | 1m 9s | The problem asks us to determine how many strings in a given array … |
| 2256 | Minimum Average Difference | 🟡 Medium | 1m 15s | In this problem, we are given a 0-indexed integer array nums, and f… |
| 2257 | Count Unguarded Cells in the Grid | 🟡 Medium | 1m 16s | This problem gives us an m x n grid containing three types of cells… |
| 2258 | Escape the Spreading Fire | 🔴 Hard | 1m 26s | This problem asks us to determine how long we can safely wait befor… |
| 2259 | Remove Digit From Number to Maximize Result | 🟢 Easy | 1m 15s | The problem gives us a string called number, which represents a pos… |
| 2260 | Minimum Consecutive Cards to Pick Up | 🟡 Medium | 1m 9s | The problem gives an integer array cards, where each number represe… |
| 2261 | K Divisible Elements Subarrays | 🟡 Medium | 44s | This problem requires counting the number of distinct subarrays of … |
| 2262 | Total Appeal of A String | 🔴 Hard | 1m 28s | The problem asks us to calculate the total appeal of all substrings… |
| 2263 | Make Array Non-decreasing or Non-increasing | 🔴 Hard | 48s | The problem asks us to transform a given integer array nums into ei… |
| 2264 | Largest 3-Same-Digit Number in String | 🟢 Easy | 6m 20s | The problem requires identifying the largest "good" integer from a … |
| 2265 | Count Nodes Equal to Average of Subtree | 🟡 Medium | 6m 13s | This problem asks us to count how many nodes in a binary tree satis… |
| 2266 | Count Number of Texts | 🟡 Medium | 45s | The problem requires determining how many possible text messages Al… |
| 2267 | Check if There Is a Valid Parentheses String Path | 🔴 Hard | 40s | This problem is asking us to determine whether there exists a path … |
| 2268 | Minimum Number of Keypresses | 🟡 Medium | 44s | The problem asks us to determine the minimum number of keypresses r… |
| 2269 | Find the K-Beauty of a Number | 🟢 Easy | 56s | The problem asks us to calculate the k-beauty of a given integer nu… |
| 2270 | Number of Ways to Split Array | 🟡 Medium | 52s | The problem asks us to determine the number of ways to split a give… |
| 2271 | Maximum White Tiles Covered by a Carpet | 🟡 Medium | 1m 19s | That is a long-form reference guide request. To avoid truncation an… |
| 2272 | Substring With Largest Variance | 🔴 Hard | 1m 13s | This problem asks us to find the maximum possible variance among al… |
| 2273 | Find Resultant Array After Removing Anagrams | 🟢 Easy | 1m 5s | This problem asks us to repeatedly remove words from an array when … |
| 2274 | Maximum Consecutive Floors Without Special Floors | 🟡 Medium | 1m 27s | The problem gives us a range of rented floors in a building, from b… |
| 2275 | Largest Combination With Bitwise AND Greater Than Zero | 🟡 Medium | 1m 3s | The problem asks us to find the largest possible group of numbers f… |
| 2276 | Count Integers in Intervals | 🔴 Hard | 1m 16s | This problem asks us to design a data structure that dynamically ma… |
| 2277 | Closest Node to Path in Tree | 🔴 Hard | 46s | The problem is asking us to process queries on a tree structure. Ea… |
| 2278 | Percentage of Letter in String | 🟢 Easy | 40s | This problem asks us to calculate the percentage of a given charact… |
| 2279 | Maximum Bags With Full Capacity of Rocks | 🟡 Medium | 45s | The problem presents n bags, each with a defined maximum capacity a… |
| 2280 | Minimum Lines to Represent a Line Chart | 🟡 Medium | 1m 18s | In this problem, we are given a list of stock prices over different… |
| 2281 | Sum of Total Strength of Wizards | 🔴 Hard | 1m 29s | The problem asks us to compute the sum of total strengths across ev… |
| 2282 | Number of People That Can Be Seen in a Grid | 🟡 Medium | 47s | The problem asks us to determine, for each person in a 2D grid of h… |
| 2283 | Check if Number Has Equal Digit Count and Digit Value | 🟢 Easy | 41s | This problem asks us to verify a self-descriptive property of a str… |
| 2284 | Sender With Largest Word Count | 🟡 Medium | 57s | The problem asks us to analyze a chat log containing n messages and… |
| 2285 | Maximum Total Importance of Roads | 🟡 Medium | 55s | Here is the complete technical solution guide for LeetCode 2285 fol… |
| 2286 | Booking Concert Tickets in Groups | 🔴 Hard | 1m 42s | The problem asks us to design a ticket reservation system for a con… |
| 2287 | Rearrange Characters to Make Target String | 🟢 Easy | 1m 22s | The problem gives us two strings, s and target. We are allowed to t… |
| 2288 | Apply Discount to Prices | 🟡 Medium | 44s | The problem asks us to process a string representing a sentence con… |
| 2289 | Steps to Make Array Non-decreasing | 🟡 Medium | 47s | The problem asks us to determine how many steps it takes to make a … |
| 2290 | Minimum Obstacle Removal to Reach Corner | 🔴 Hard | 1m 20s | This problem gives us a 2D grid where every cell is either empty or… |
| 2291 | Maximum Profit From Trading Stocks | 🟡 Medium | 1m 9s | The problem gives us two arrays, present and future, where each ind… |
| 2292 | Products With Three or More Orders in Two Consecutive Years | 🟡 Medium | 1m 17s | This problem provides a table named Orders, where each row represen… |
| 2293 | Min Max Game | 🟢 Easy | 52s | This problem asks us to repeatedly transform an array until only on… |
| 2294 | Partition Array Such That Maximum Difference Is K | 🟡 Medium | 1m 27s | The problem gives us an integer array nums and an integer k. We mus… |
| 2295 | Replace Elements in an Array | 🟡 Medium | 51s | The problem asks us to perform a series of replacement operations o… |
| 2296 | Design a Text Editor | 🔴 Hard | 1m 13s | This problem asks us to design a simplified text editor that suppor… |
| 2297 | Jump Game VIII | 🟡 Medium | 1m 27s | This problem asks us to compute the minimum total cost required to … |
| 2298 | Tasks Count in the Weekend | 🟡 Medium | 1m 14s | This problem provides a database table named Tasks, where each row … |
| 2299 | Strong Password Checker II | 🟢 Easy | 1m 3s | The problem asks us to determine whether a given password string sa… |
| 2300 | Successful Pairs of Spells and Potions | 🟡 Medium | 35s | The problem asks us to determine, for each spell, how many potions … |
| 2301 | Match Substring After Replacement | 🔴 Hard | 1m 26s | The problem gives us a string s, a target string sub, and a list of… |
| 2302 | Count Subarrays With Score Less Than K | 🔴 Hard | 42s | The problem asks us to count the number of contiguous subarrays of … |
| 2303 | Calculate Amount Paid in Taxes | 🟢 Easy | 37s | This problem is asking us to simulate a progressive tax system. We … |
| 2304 | Minimum Path Cost in a Grid | 🟡 Medium | 1m 13s | The problem gives us a matrix called grid with m rows and n columns… |
| 2305 | Fair Distribution of Cookies | 🟡 Medium | 37s | The problem asks us to distribute a set of cookie bags among k chil… |
| 2306 | Naming a Company | 🔴 Hard | 1m 22s | The problem gives us a list of unique strings called ideas. We must… |
| 2307 | Check for Contradictions in Equations | 🔴 Hard | 1m 35s | This problem gives us a collection of equations of the form: Each v… |
| 2308 | Arrange Table by Gender | 🟡 Medium | 1m 33s | The problem asks us to rearrange the rows of a Genders table in a s… |
| 2309 | Greatest English Letter in Upper and Lower Case | 🟢 Easy | 58s | The problem gives us a string s containing only uppercase and lower… |
| 2310 | Sum of Numbers With Units Digit K | 🟡 Medium | 1m 2s | This problem asks us to construct a set of positive integers such t… |
| 2311 | Longest Binary Subsequence Less Than or Equal to K | 🟡 Medium | 47s | The problem asks us to find the length of the longest subsequence o… |
| 2312 | Selling Pieces of Wood | 🔴 Hard | 57s | The problem presents a rectangular piece of wood of size m x n and … |
| 2313 | Minimum Flips in Binary Tree to Get Result | 🔴 Hard | 35s | The problem presents a binary tree where leaf nodes represent boole… |
| 2314 | The First Day of the Maximum Recorded Degree in Each City | 🟡 Medium | 1m 34s | The problem gives us a database table named Weather that stores tem… |
| 2315 | Count Asterisks | 🟢 Easy | 1m 2s | The problem gives us a string s containing lowercase English letter… |
| 2316 | Count Unreachable Pairs of Nodes in an Undirected Graph | 🟡 Medium | 54s | The problem asks us to find the number of pairs of nodes in an undi… |
| 2317 | Maximum XOR After Operations | 🟡 Medium | 1m 5s | The problem gives us an integer array nums, and we may perform a sp… |
| 2318 | Number of Distinct Roll Sequences | 🔴 Hard | 39s | The problem is asking us to compute the total number of distinct se… |
| 2319 | Check if Matrix Is X-Matrix | 🟢 Easy | 1m 25s | The problem gives us a square matrix grid of size n x n. We must de… |
| 2320 | Count Number of Ways to Place Houses | 🟡 Medium | 46s | The problem presents a street with n plots on each side, for a tota… |
| 2321 | Maximum Score Of Spliced Array | 🔴 Hard | 48s | The problem presents two integer arrays, nums1 and nums2, of equal … |
| 2322 | Minimum Score After Removals on a Tree | 🔴 Hard | 43s | That is a long, multi-section technical guide with code, worked exa… |
| 2323 | Find Minimum Time to Finish All Jobs II | 🟡 Medium | 1m 1s | This problem asks us to assign jobs to workers in a way that minimi… |
| 2324 | Product Sales Analysis IV | 🟡 Medium | 54s | This problem asks us to analyze sales data to determine which produ… |
| 2325 | Decode the Message | 🟢 Easy | 57s | This problem is asking us to decode a secret message using a substi… |
| 2326 | Spiral Matrix IV | 🟡 Medium | 1m 12s | The problem gives us a linked list and asks us to place its values … |
| 2327 | Number of People Aware of a Secret | 🟡 Medium | 1m | The problem describes how a secret spreads over time. On day 1, exa… |
| 2328 | Number of Increasing Paths in a Grid | 🔴 Hard | 1m 10s | In this problem, we are given a two dimensional matrix called grid.… |
| 2329 | Product Sales Analysis V | 🟢 Easy | 1m 3s | This problem asks us to calculate how much money each user has spen… |
| 2330 | Valid Palindrome IV | 🟡 Medium | 1m 31s | The problem gives us a string s containing only lowercase English l… |
| 2331 | Evaluate Boolean Binary Tree | 🟢 Easy | 46s | The problem asks us to evaluate a full binary tree where each node … |
| 2332 | The Latest Time to Catch a Bus | 🟡 Medium | 48s | The problem asks us to determine the latest time we can arrive at a… |
| 2333 | Minimum Sum of Squared Difference | 🟡 Medium | 37s | I can do that, but the complete guide with all requested sections a… |
| 2334 | Subarray With Elements Greater Than Varying Threshold | 🔴 Hard | 1m 20s | This problem asks us to find a contiguous subarray whose elements a… |
| 2335 | Minimum Amount of Time to Fill Cups | 🟢 Easy | 1m 15s | The problem gives us an array amount of length 3. Each index repres… |
| 2336 | Smallest Number in Infinite Set | 🟡 Medium | 51s | The problem asks us to implement a data structure representing an i… |
| 2337 | Move Pieces to Obtain a String | 🟡 Medium | 1m 14s | The problem gives us two strings, start and target, both having the… |
| 2338 | Count the Number of Ideal Arrays | 🔴 Hard | 1m 18s | The problem asks us to count how many arrays of length n satisfy a … |
| 2339 | All the Matches of the League | 🟢 Easy | 58s | The Teams table contains the names of all teams participating in a … |
| 2340 | Minimum Adjacent Swaps to Make a Valid Array | 🟡 Medium | 3m 13s | The previous solution fails immediately under a counterexample chec… |
| 2341 | Maximum Number of Pairs in Array | 🟢 Easy | 52s | The problem asks us to take an array of integers, nums, and repeate… |
| 2342 | Max Sum of a Pair With Equal Sum of Digits | 🟡 Medium | 42s | The problem requires finding the maximum sum of a pair of numbers i… |
| 2343 | Query Kth Smallest Trimmed Number | 🟡 Medium | 41s | This problem provides a list of numbers represented as strings, all… |
| 2344 | Minimum Deletions to Make Array Divisible | 🔴 Hard | 1m 18s | The problem gives us two arrays of positive integers, nums and nums… |
| 2345 | Finding the Number of Visible Mountains | 🟡 Medium | 1m 32s | Each mountain is represented by a peak point (x, y). Because the mo… |
| 2346 | Compute the Rank as a Percentage | 🟡 Medium | 1m 37s | The problem provides a database table named Students, where each ro… |
| 2347 | Best Poker Hand | 🟢 Easy | 1m 6s | The problem gives us exactly five playing cards. Each card is repre… |
| 2348 | Number of Zero-Filled Subarrays | 🟡 Medium | 33s | The problem asks us to count the number of contiguous subarrays in … |
| 2349 | Design a Number Container System | 🟡 Medium | 1m 10s | The problem asks us to design a data structure that supports two op… |
| 2350 | Shortest Impossible Sequence of Rolls | 🔴 Hard | 56s | Here is a complete, detailed technical solution guide for LeetCode … |
| 2351 | First Letter to Appear Twice | 🟢 Easy | 1m 3s | The problem gives us a string s containing only lowercase English l… |
| 2352 | Equal Row and Column Pairs | 🟡 Medium | 1m 4s | The problem gives us a square matrix grid of size n x n, where ever… |
| 2353 | Design a Food Rating System | 🟡 Medium | 1m | The problem is asking us to implement a food rating system that sup… |
| 2354 | Number of Excellent Pairs | 🔴 Hard | 49s | The problem provides a 0-indexed array of positive integers nums an… |
| 2355 | Maximum Number of Books You Can Take | 🔴 Hard | 2m 20s | That is a long, multi-section technical reference document. I can p… |
| 2356 | Number of Unique Subjects Taught by Each Teacher | 🟢 Easy | 38s | The problem requires calculating the number of unique subjects each… |
| 2357 | Make Array Zero by Subtracting Equal Amounts | 🟢 Easy | 1m 6s | This problem gives us an array nums containing non-negative integer… |
| 2358 | Maximum Number of Groups Entering a Competition | 🟡 Medium | 49s | The problem asks us to partition a list of student grades into mult… |
| 2359 | Find Closest Node to Given Two Nodes | 🟡 Medium | 39s | The problem asks us to find a node in a directed graph with a very … |
| 2360 | Longest Cycle in a Graph | 🔴 Hard | 1m 14s | This problem gives us a directed graph represented by an array call… |
| 2361 | Minimum Costs Using the Train Line | 🔴 Hard | 37s | This problem models a scenario where you are traversing a train lin… |
| 2362 | Generate the Invoice | 🔴 Hard | 1m 7s | This is a SQL database problem involving two tables: |
| 2363 | Merge Similar Items | 🟢 Easy | 1m 7s | The problem gives us two collections of items, items1 and items2, w… |
| 2364 | Count Number of Bad Pairs | 🟡 Medium | 1m 17s | The problem asks us to count the number of bad pairs in an array. W… |
| 2365 | Task Scheduler II | 🟡 Medium | 1m 8s | The problem gives us an array tasks, where each value represents a … |
| 2366 | Minimum Replacements to Sort the Array | 🔴 Hard | 2m 19s | The problem asks us to transform a given integer array nums into a … |
| 2367 | Number of Arithmetic Triplets | 🟢 Easy | 2m 19s | The problem requires us to find the number of arithmetic triplets i… |
| 2368 | Reachable Nodes With Restrictions | 🟡 Medium | 2m 15s | That is a large, highly structured guide. To make sure I target the… |
| 2369 | Check if There is a Valid Partition For The Array | 🟡 Medium | 1m 15s | The problem gives us an integer array nums, and we must determine w… |
| 2370 | Longest Ideal Subsequence | 🟡 Medium | 1m 1s | In this problem, we are given a string s containing only lowercase … |
| 2371 | Minimize Maximum Value in a Grid | 🔴 Hard | 42s | The problem presents a matrix grid of size m x n with distinct posi… |
| 2372 | Calculate the Influence of Each Salesperson | 🟡 Medium | 1m 17s | This problem asks us to calculate the total sales value generated b… |
| 2373 | Largest Local Values in a Matrix | 🟢 Easy | 2m 19s | The problem gives us an n x n square matrix called grid, where each… |
| 2374 | Node With Highest Edge Score | 🟡 Medium | 46s | The problem asks us to analyze a directed graph where each node has… |
| 2375 | Construct Smallest Number From DI String | 🟡 Medium | 44s | The problem asks us to construct the lexicographically smallest num… |
| 2376 | Count Special Integers | 🔴 Hard | 1m 36s | The problem asks us to count how many integers in the range [1, n] … |
| 2377 | Sort the Olympic Table | 🟢 Easy | 1m 11s | This problem asks us to return the rows of the Olympic table in a v… |
| 2378 | Choose Edges to Maximize Score in a Tree | 🟡 Medium | 40s | This will be very large if done comprehensively and correctly under… |
| 2379 | Minimum Recolors to Get K Consecutive Black Blocks | 🟢 Easy | 1m 19s | The problem gives us a string called blocks, where each character r… |
| 2380 | Time Needed to Rearrange a Binary String | 🟡 Medium | 54s | This problem asks us to repeatedly transform a binary string accord… |
| 2381 | Shifting Letters II | 🟡 Medium | 1m 22s | This problem gives us a lowercase English string s and a list of sh… |
| 2382 | Maximum Segment Sum After Removals | 🔴 Hard | 1m 16s | The problem gives us two arrays, nums and removeQueries, both of le… |
| 2383 | Minimum Hours of Training to Win a Competition | 🟢 Easy | 1m 2s | The problem gives us two starting values, initialEnergy and initial… |
| 2384 | Largest Palindromic Number | 🟡 Medium | 40s | The problem asks us to form the largest palindromic integer using t… |
| 2385 | Amount of Time for Binary Tree to Be Infected | 🟡 Medium | 41s | This problem asks us to model the spread of an infection across a b… |
| 2386 | Find the K-Sum of an Array | 🔴 Hard | 27s | That is a long, structured reference document with multiple section… |
| 2387 | Median of a Row Wise Sorted Matrix | 🟡 Medium | 1m 25s | We are given an m × n matrix grid where every row is already sorted… |
| 2388 | Change Null Values in a Table to the Previous Value | 🟡 Medium | 41s | The problem asks us to process a database table, CoffeeShop, which … |
| 2389 | Longest Subsequence With Limited Sum | 🟢 Easy | 42s | This problem asks us to determine, for each query, the maximum numb… |
| 2390 | Removing Stars From a String | 🟡 Medium | 53s | This problem asks us to repeatedly process a string that contains l… |
| 2391 | Minimum Amount of Time to Collect Garbage | 🟡 Medium | 1m 20s | This problem models a garbage collection system with three separate… |
| 2392 | Build a Matrix With Conditions | 🔴 Hard | 43s | This guide is long enough that a complete, high quality response wi… |
| 2393 | Count Strictly Increasing Subarrays | 🟡 Medium | 46s | The problem asks us to count all strictly increasing subarrays in a… |
| 2394 | Employees With Deductions | 🟡 Medium | 56s | This problem asks us to identify employees whose monthly working ti… |
| 2395 | Find Subarrays With Equal Sum | 🟢 Easy | 33s | The problem asks us to determine whether there exist two contiguous… |
| 2396 | Strictly Palindromic Number | 🟡 Medium | 33s | The problem asks whether a given integer n is strictly palindromic.… |
| 2397 | Maximum Rows Covered by Columns | 🟡 Medium | 40s | This problem asks us to maximize the number of rows covered in a bi… |
| 2398 | Maximum Number of Robots Within Budget | 🔴 Hard | 44s | This problem asks us to determine the maximum number of consecutive… |
| 2399 | Check Distances Between Same Letters | 🟢 Easy | 1m 5s | This problem asks us to verify whether a string follows a very spec… |
| 2400 | Number of Ways to Reach a Position After Exactly k Steps | 🟡 Medium | 1m 18s | This problem asks us to count the number of distinct ways to move f… |
| 2401 | Longest Nice Subarray | 🟡 Medium | 1m 47s | The problem gives an array of positive integers and asks for the le… |
| 2402 | Meeting Rooms III | 🔴 Hard | 51s | The problem is about scheduling meetings into a fixed number of roo… |
| 2403 | Minimum Time to Kill All Monsters | 🔴 Hard | 54s | The problem is asking us to compute the minimum number of days requ… |
| 2404 | Most Frequent Even Element | 🟢 Easy | 36s | The problem asks us to identify the most frequent even number in an… |
| 2405 | Optimal Partition of String | 🟡 Medium | 59s | The problem asks us to divide a given string s into the minimum num… |
| 2406 | Divide Intervals Into Minimum Number of Groups | 🟡 Medium | 1m 8s | The problem gives us a list of inclusive intervals, where each inte… |
| 2407 | Longest Increasing Subsequence II | 🔴 Hard | 43s | The problem asks us to find the length of the longest subsequence i… |
| 2408 | Design SQL | 🟡 Medium | 1m 12s | This problem asks us to design a lightweight in memory database sys… |
| 2409 | Count Days Spent Together | 🟢 Easy | 39s | The problem asks us to calculate the number of days Alice and Bob s… |
| 2410 | Maximum Matching of Players With Trainers | 🟡 Medium | 43s | This problem requires us to maximize the number of matchings betwee… |
| 2411 | Smallest Subarrays With Maximum Bitwise OR | 🟡 Medium | 47s | The problem asks us to find, for each index in a given array nums, … |
| 2412 | Minimum Money Required Before Transactions | 🔴 Hard | 39s | The problem asks us to determine the minimum initial money required… |
| 2413 | Smallest Even Multiple | 🟢 Easy | 39s | The problem asks us to find the smallest positive integer that is a… |
| 2414 | Length of the Longest Alphabetical Continuous Substring | 🟡 Medium | 53s | The problem asks us to find the length of the longest substring in … |
| 2415 | Reverse Odd Levels of Binary Tree | 🟡 Medium | 48s | The problem asks us to reverse the values of nodes at odd levels of… |
| 2416 | Sum of Prefix Scores of Strings | 🔴 Hard | 46s | The problem is asking us to compute a special score for each string… |
| 2417 | Closest Fair Integer | 🟡 Medium | 1m 7s | In this problem, we are given a positive integer n, and we must fin… |
| 2418 | Sort the People | 🟢 Easy | 1m 2s | This problem gives us two arrays of equal length: - names[i] repres… |
| 2419 | Longest Subarray With Maximum Bitwise AND | 🟡 Medium | 43s | The problem asks us to find the length of the longest subarray with… |
| 2420 | Find All Good Indices | 🟡 Medium | 43s | The problem asks us to identify all good indices in an array nums b… |
| 2421 | Number of Good Paths | 🔴 Hard | 44s | The problem is asking us to count the number of good paths in a tre… |
| 2422 | Merge Operations to Turn Array Into a Palindrome | 🟡 Medium | 48s | The problem asks us to transform a given array of positive integers… |
| 2423 | Remove Letter To Equalize Frequency | 🟢 Easy | 39s | The problem asks us to determine if we can remove exactly one chara… |
| 2424 | Longest Uploaded Prefix | 🟡 Medium | 1m 6s | The problem asks us to design a data structure that tracks uploaded… |
| 2425 | Bitwise XOR of All Pairings | 🟡 Medium | 1m 12s | The problem gives us two arrays, nums1 and nums2, and asks us to co… |
| 2426 | Number of Pairs Satisfying Inequality | 🔴 Hard | 1m 26s | We are given two integer arrays, nums1 and nums2, of the same lengt… |
| 2427 | Number of Common Factors | 🟢 Easy | 1m 21s | The problem gives us two positive integers, a and b, and asks us to… |
| 2428 | Maximum Sum of an Hourglass | 🟡 Medium | 57s | The problem provides an m x n integer matrix grid and asks for the … |
| 2429 | Minimize XOR | 🟡 Medium | 45s | The problem is asking us to construct an integer x that satisfies t… |
| 2430 | Maximum Deletions on a String | 🔴 Hard | 1m 26s | The problem gives us a string s consisting only of lowercase Englis… |
| 2431 | Maximize Total Tastiness of Purchased Fruits | 🟡 Medium | 1m 7s | This problem asks us to maximize the total tastiness of fruits we p… |
| 2432 | The Employee That Worked on the Longest Task | 🟢 Easy | 42s | The problem asks us to identify which employee worked the task with… |
| 2433 | Find The Original Array of Prefix Xor | 🟡 Medium | 1m 55s | The problem is asking us to reverse-engineer an array arr from its … |
| 2434 | Using a Robot to Print the Lexicographically Smallest String | 🟡 Medium | 1m 19s | In this problem, we are given a string s and a robot that manages a… |
| 2435 | Paths in Matrix Whose Sum Is Divisible by K | 🔴 Hard | 49s | This problem asks us to count the number of paths in a 2D integer m… |
| 2436 | Minimum Split Into Subarrays With GCD Greater Than One | 🟡 Medium | 2m 16s | The problem requires splitting a given array of positive integers i… |
| 2437 | Number of Valid Clock Times | 🟢 Easy | 43s | The problem asks us to determine the number of valid times that can… |
| 2438 | Range Product Queries of Powers | 🟡 Medium | 1m 25s | The problem defines a special array called powers. This array is bu… |
| 2439 | Minimize Maximum of Array | 🟡 Medium | 2m 15s | The problem gives a 0-indexed array nums of non-negative integers a… |
| 2440 | Create Components With Same Value | 🔴 Hard | 42s | This problem is asking us to take an undirected tree where each nod… |
| 2441 | Largest Positive Integer That Exists With Its Negative | 🟢 Easy | 39s | The problem asks us to find the largest positive integer k in a giv… |
| 2442 | Count Number of Distinct Integers After Reverse Operations | 🟡 Medium | 50s | The problem asks us to compute the number of distinct integers in a… |
| 2443 | Sum of Number and Its Reverse | 🟡 Medium | 54s | Here’s a complete, detailed solution guide for LeetCode 2443 - Sum … |
| 2444 | Count Subarrays With Fixed Bounds | 🔴 Hard | 1m 5s | This problem asks us to count how many contiguous subarrays satisfy… |
| 2445 | Number of Nodes With Value One | 🟡 Medium | 1m 11s | The tree in this problem is not given explicitly through an edge li… |
| 2446 | Determine if Two Events Have Conflict | 🟢 Easy | 42s | The problem asks us to determine if two events on the same day over… |
| 2447 | Number of Subarrays With GCD Equal to K | 🟡 Medium | 1m 9s | The problem gives us an integer array nums and an integer k. We nee… |
| 2448 | Minimum Cost to Make Array Equal | 🔴 Hard | 1m 11s | This guide will use the weighted median optimization approach, whic… |
| 2449 | Minimum Number of Operations to Make Arrays Similar | 🔴 Hard | 1m 16s | We are given two arrays, nums and target, of equal length. In a sin… |
| 2450 | Number of Distinct Binary Strings After Applying Operations | 🟡 Medium | 1m 14s | We are given a binary string s of length n and an integer k. An ope… |
| 2451 | Odd String Difference | 🟢 Easy | 1m 10s | The problem gives us an array of strings where every string has the… |
| 2452 | Words Within Two Edits of Dictionary | 🟡 Medium | 48s | The problem asks us to identify words in the queries list that can … |
| 2453 | Destroy Sequential Targets | 🟡 Medium | 46s | The problem presents a scenario where we have a list of positive in… |
| 2454 | Next Greater Element IV | 🔴 Hard | 1m 23s | The problem asks us to compute, for every element in the array, its… |
| 2455 | Average Value of Even Numbers That Are Divisible by Three | 🟢 Easy | 45s | The problem asks us to calculate the average of all integers in an … |
| 2456 | Most Popular Video Creator | 🟡 Medium | 1m 10s | The problem gives us three parallel arrays: - creators[i] represent… |
| 2457 | Minimum Addition to Make Integer Beautiful | 🟡 Medium | 47s | The problem asks us to transform a given integer n into a beautiful… |
| 2458 | Height of Binary Tree After Subtree Removal Queries | 🔴 Hard | 1m 19s | This problem asks us to answer multiple independent queries on a bi… |
| 2459 | Sort Array by Moving Items to Empty Space | 🔴 Hard | 1m 37s | The array contains every integer from 0 to n - 1 exactly once. The … |
| 2460 | Apply Operations to an Array | 🟢 Easy | 1m 25s | This problem gives us a 0-indexed array nums containing non-negativ… |
| 2461 | Maximum Sum of Distinct Subarrays With Length K | 🟡 Medium | 1m 14s | That prompt contains two different LeetCode problems merged togethe… |
| 2462 | Total Cost to Hire K Workers | 🟡 Medium | 1m 12s | The problem asks us to simulate a process of hiring k workers from … |
| 2463 | Minimum Total Distance Traveled | 🔴 Hard | 57s | Here is a comprehensive, reference-quality solution guide for LeetC… |
| 2464 | Minimum Subarrays in a Valid Split | 🟡 Medium | 50s | The problem asks us to split an array of integers nums into contigu… |
| 2465 | Number of Distinct Averages | 🟢 Easy | 41s | The problem requires calculating the number of distinct averages ge… |
| 2466 | Count Ways To Build Good Strings | 🟡 Medium | 2m 23s | The problem asks us to count the number of "good" strings that can … |
| 2467 | Most Profitable Path in a Tree | 🟡 Medium | 37s | The problem presents a rooted tree with n nodes numbered from 0 to … |
| 2468 | Split Message Based on Limit | 🔴 Hard | 1m 18s | This problem asks us to divide a message into multiple parts while … |
| 2469 | Convert the Temperature | 🟢 Easy | 55s | The problem gives us a single floating point value named celsius, r… |
| 2470 | Number of Subarrays With LCM Equal to K | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and an integer k. We mus… |
| 2471 | Minimum Number of Operations to Sort a Binary Tree by Level | 🟡 Medium | 46s | The problem asks us to determine the minimum number of swap operati… |
| 2472 | Maximum Number of Non-overlapping Palindrome Substrings | 🔴 Hard | 48s | The problem asks us to find the maximum number of non-overlapping p… |
| 2473 | Minimum Cost to Buy Apples | 🟡 Medium | 41s | The problem asks us to determine the minimum cost to buy exactly on… |
| 2474 | Customers With Strictly Increasing Purchases | 🔴 Hard | 1m 28s | The problem gives us an Orders table where each row represents a pu… |
| 2475 | Number of Unequal Triplets in Array | 🟢 Easy | 1m 15s | The problem gives us a 0-indexed integer array nums, and we must co… |
| 2476 | Closest Nodes Queries in a Binary Search Tree | 🟡 Medium | 1m 23s | The problem gives us the root of a binary search tree, abbreviated … |
| 2477 | Minimum Fuel Cost to Report to the Capital | 🟡 Medium | 1m 24s | The problem gives us a country road network that forms a tree. A tr… |
| 2478 | Number of Beautiful Partitions | 🔴 Hard | 3m 32s | The problem asks us to count the number of ways to split a given st… |
| 2479 | Maximum XOR of Two Non-Overlapping Subtrees | 🔴 Hard | 4m 15s | This problem gives us a rooted tree with n nodes, rooted at node 0.… |
| 2480 | Form a Chemical Bond | 🟢 Easy | 49s | The problem asks us to identify all valid chemical bonds that can f… |
| 2481 | Minimum Cuts to Divide a Circle | 🟢 Easy | 43s | The problem asks for the minimum number of straight cuts required t… |
| 2482 | Difference Between Ones and Zeros in Row and Column | 🟡 Medium | 1m 18s | The problem gives us a binary matrix grid with m rows and n columns… |
| 2483 | Minimum Penalty for a Shop | 🟡 Medium | 46s | The problem asks us to determine the optimal hour to close a shop t… |
| 2484 | Count Palindromic Subsequences | 🔴 Hard | 45s | The problem asks us to count all palindromic subsequences of length… |
| 2485 | Find the Pivot Integer | 🟢 Easy | 1m 10s | The problem gives us a positive integer n and asks us to find a spe… |
| 2486 | Append Characters to String to Make Subsequence | 🟡 Medium | 51s | The problem asks us to determine the minimum number of characters t… |
| 2487 | Remove Nodes From Linked List | 🟡 Medium | 1m 27s | The problem gives us the head of a singly linked list and asks us t… |
| 2488 | Count Subarrays With Median K | 🔴 Hard | 1m 45s | This problem asks us to count how many contiguous subarrays have a … |
| 2489 | Number of Substrings With Fixed Ratio | 🟡 Medium | 1m 17s | The problem gives us a binary string s, along with two coprime inte… |
| 2490 | Circular Sentence | 🟢 Easy | 40s | The problem asks us to determine whether a given sentence is circul… |
| 2491 | Divide Players Into Teams of Equal Skill | 🟡 Medium | 1m 1s | This problem asks us to divide a given list of player skill levels … |
| 2492 | Minimum Score of a Path Between Two Cities | 🟡 Medium | 1m 19s | The problem asks us to find the minimum possible score of a path be… |
| 2493 | Divide Nodes Into the Maximum Number of Groups | 🔴 Hard | 6m 43s | We are given an undirected graph with n nodes and a list of edges. … |
| 2494 | Merge Overlapping Events in the Same Hall | 🔴 Hard | 2m 19s | The problem requires us to merge overlapping events in the same hal… |
| 2495 | Number of Subarrays Having Even Product | 🟡 Medium | 1m 7s | The problem gives us an integer array nums and asks us to count how… |
| 2496 | Maximum Value of a String in an Array | 🟢 Easy | 46s | This problem asks us to compute the maximum value of strings in an … |
| 2497 | Maximum Star Sum of a Graph | 🟡 Medium | 1m 43s | The problem gives us an undirected graph where each node has an ass… |
| 2498 | Frog Jump II | 🟡 Medium | 1m 23s | The problem gives us a sorted array stones, where each value repres… |
| 2499 | Minimum Total Cost to Make Arrays Unequal | 🔴 Hard | 1m 14s | You are given two arrays, nums1 and nums2, both of length n. You ar… |
| 2500 | Delete Greatest Value in Each Row | 🟢 Easy | 44s | The problem presents an m x n matrix grid of positive integers and … |
| 2501 | Longest Square Streak in an Array | 🟡 Medium | 52s | The problem asks us to identify the longest square streak in an arr… |
| 2502 | Design Memory Allocator | 🟡 Medium | 46s | The problem requires designing a memory allocator that manages a fi… |
| 2503 | Maximum Number of Points From Grid Queries | 🔴 Hard | 45s | The problem asks us to calculate the maximum number of points that … |
| 2504 | Concatenate the Name and the Profession | 🟢 Easy | 48s | The problem asks us to transform data in a SQL table named Person. … |
| 2505 | Bitwise OR of All Subsequence Sums | 🟡 Medium | 1m 2s | This problem asks us to compute the bitwise OR of every possible su… |
| 2506 | Count Pairs Of Similar Strings | 🟢 Easy | 1m 7s | The problem gives us an array of strings called words. We must coun… |
| 2507 | Smallest Value After Replacing With Sum of Prime Factors | 🟡 Medium | 49s | The problem asks us to repeatedly replace a number n with the sum o… |
| 2508 | Add Edges to Make Degrees of All Nodes Even | 🔴 Hard | 1m 33s | The problem gives us an undirected graph with n nodes and a list of… |
| 2509 | Cycle Length Queries in a Tree | 🔴 Hard | 1m 20s | The problem gives us a complete binary tree where nodes are labeled… |
| 2510 | Check if There is a Path With Equal Number of 0's And 1's | 🟡 Medium | 45s | This problem asks us to determine if there exists a path in a binar… |
| 2511 | Maximum Enemy Forts That Can Be Captured | 🟢 Easy | 1m 12s | In this problem, we are given an array called forts, where each pos… |
| 2512 | Reward Top K Students | 🟡 Medium | 45s | The problem asks us to compute a ranking of students based on textu… |
| 2513 | Minimize the Maximum of Two Arrays | 🟡 Medium | 1m 17s | The problem gives us two empty arrays, arr1 and arr2, and asks us t… |
| 2514 | Count Anagrams | 🔴 Hard | 1m 17s | The problem asks us to count how many distinct anagram sentences ca… |
| 2515 | Shortest Distance to Target String in a Circular Array | 🟢 Easy | 51s | The problem asks us to find the shortest distance from a given star… |
| 2516 | Take K of Each Character From Left and Right | 🟡 Medium | 51s | The problem asks us to determine the minimum number of characters t… |
| 2517 | Maximum Tastiness of Candy Basket | 🟡 Medium | 1m 15s | The problem gives us an array price where each element represents t… |
| 2518 | Number of Great Partitions | 🔴 Hard | 1m | The problem requires us to partition an array of positive integers … |
| 2519 | Count the Number of K-Big Indices | 🔴 Hard | 1m 19s | This problem asks us to determine how many indices in an array sati… |
| 2520 | Count the Digits That Divide a Number | 🟢 Easy | 55s | The problem asks us to determine, given a positive integer num, how… |
| 2521 | Distinct Prime Factors of Product of Array | 🟡 Medium | 44s | The problem asks us to compute the number of distinct prime factors… |
| 2522 | Partition String Into Substrings With Values at Most K | 🟡 Medium | 1m 10s | The problem gives us a numeric string s, where every character is a… |
| 2523 | Closest Prime Numbers in Range | 🟡 Medium | 1m 15s | The problem asks us to find two prime numbers inside a given inclus… |
| 2524 | Maximum Frequency Score of a Subarray | 🔴 Hard | 48s | The problem asks us to compute the maximum frequency score among al… |
| 2525 | Categorize Box According to Criteria | 🟢 Easy | 53s | The problem requires categorizing a box based on its dimensions and… |
| 2526 | Find Consecutive Integers from a Data Stream | 🟡 Medium | 57s | The problem asks us to design a data structure that continuously pr… |
| 2527 | Find Xor-Beauty of Array | 🟡 Medium | 59s | The problem defines a special value called the "effective value" fo… |
| 2528 | Maximize the Minimum Powered City | 🔴 Hard | 51s | The problem asks us to determine the maximum possible minimum power… |
| 2529 | Maximum Count of Positive Integer and Negative Integer | 🟢 Easy | 8m 19s | The problem gives us a sorted integer array nums in non-decreasing … |
| 2530 | Maximal Score After Applying K Operations | 🟡 Medium | 52s | The problem asks us to maximize a score after performing exactly k … |
| 2531 | Make Number of Distinct Characters Equal | 🟡 Medium | 1m 21s | The problem is a pure inequality with a geometric constraint. The c… |
| 2532 | Time to Cross a Bridge | 🔴 Hard | 57s | The problem asks us to simulate a scenario in which k workers trans… |
| 2533 | Number of Good Binary Strings | 🟡 Medium | 45s | The problem asks us to count how many binary strings satisfy a very… |
| 2534 | Time Taken to Cross the Door | 🔴 Hard | 1m 26s | This problem asks us to simulate how people pass through a single d… |
| 2535 | Difference Between Element Sum and Digit Sum of an Array | 🟢 Easy | 2m 53s | The problem gives us an array of positive integers called nums. We … |
| 2536 | Increment Submatrices by One | 🟡 Medium | 20m 33s | LeetCode 2536: Increment Submatrices by One (Medium) |
| 2537 | Count the Number of Good Subarrays | 🟡 Medium | 20m 26s | LeetCode 2537: Count the Number of Good Subarrays (Medium) |
| 2538 | Difference Between Maximum and Minimum Price Sum | 🔴 Hard | 3m 2s | We are given an undirected tree with n nodes. Every node has a pric… |
| 2539 | Count the Number of Good Subsequences | 🟡 Medium | 20m 37s | LeetCode 2539: Count the Number of Good Subsequences (Medium) |
| 2540 | Minimum Common Value | 🟢 Easy | 1m 32s | The problem gives us two integer arrays, nums1 and nums2, and both … |
| 2541 | Minimum Operations to Make Array Equal II | 🟡 Medium | 20m 25s | LeetCode 2541: Minimum Operations to Make Array Equal II (Medium) |
| 2542 | Maximum Subsequence Score | 🟡 Medium | 1m 29s | The problem gives us two integer arrays, nums1 and nums2, both of t… |
| 2543 | Check if Point Is Reachable | 🔴 Hard | 1m 9s | The problem gives us an infinite two dimensional grid and asks whet… |
| 2544 | Alternating Digit Sum | 🟢 Easy | 57s | The problem asks us to compute an alternating sum of the digits of … |
| 2545 | Sort the Students by Their Kth Score | 🟡 Medium | 2m 19s | In this problem, we are given a matrix named score with dimensions … |
| 2546 | Apply Bitwise Operations to Make Strings Equal | 🟡 Medium | 2m 19s | The problem provides two binary strings, s and target, of equal len… |
| 2547 | Minimum Cost to Split an Array | 🔴 Hard | 1m 32s | The problem asks us to split the array nums into one or more contig… |
| 2548 | Maximum Price to Fill a Bag | 🟡 Medium | 1m | The problem is asking us to maximize the total price of items place… |
| 2549 | Count Distinct Numbers on Board | 🟢 Easy | 1m | The problem starts with a single integer n written on a board. Ever… |
| 2550 | Count Collisions of Monkeys on a Polygon | 🟡 Medium | 1m 5s | In this problem, we have a regular polygon with n vertices, and eac… |
| 2551 | Put Marbles in Bags | 🔴 Hard | 50s | The problem asks us to distribute weights.length marbles into k con… |
| 2552 | Count Increasing Quadruplets | 🔴 Hard | 3m 43s | The problem asks us to count the number of increasing quadruplets (… |
| 2553 | Separate the Digits in an Array | 🟢 Easy | 44s | This problem asks us to take an array of positive integers, nums, a… |
| 2554 | Maximum Number of Integers to Choose From a Range I | 🟡 Medium | 1m 16s | The problem gives us three inputs: - banned, an array of integers t… |
| 2555 | Maximize Win From Two Segments | 🟡 Medium | 1m 20s | The problem gives us a sorted array prizePositions, where each valu… |
| 2556 | Disconnect Path in a Binary Matrix by at Most One Flip | 🟡 Medium | 51s | The problem is asking whether it is possible to disconnect a path f… |
| 2557 | Maximum Number of Integers to Choose From a Range II | 🟡 Medium | 54s | The problem is asking to select the maximum number of integers from… |
| 2558 | Take Gifts From the Richest Pile | 🟢 Easy | 3m 31s | The problem presents a scenario where we have multiple piles of gif… |
| 2559 | Count Vowel Strings in Ranges | 🟡 Medium | 1m 22s | The problem gives us an array of strings called words and a list of… |
| 2560 | House Robber IV | 🟡 Medium | 55s | The problem describes a scenario where a robber wants to steal from… |
| 2561 | Rearranging Fruits | 🔴 Hard | 1m 13s | This problem gives us two arrays, basket1 and basket2, where each e… |
| 2562 | Find the Array Concatenation Value | 🟢 Easy | 7m 50s | The problem is asking us to compute a special sum over a given arra… |
| 2563 | Count the Number of Fair Pairs | 🟡 Medium | 2m 20s | The problem asks us to count how many pairs of indices (i, j) satis… |
| 2564 | Substring XOR Queries | 🟡 Medium | 1m 12s | The problem gives us a binary string s and a list of queries. Each … |
| 2565 | Subsequence With the Minimum Score | 🔴 Hard | 46s | This problem is long and deserves a detailed explanation to do it p… |
| 2566 | Maximum Difference by Remapping a Digit | 🟢 Easy | 1m 4s | The problem asks us to maximize the difference between two numbers … |
| 2567 | Minimum Score by Changing Two Elements | 🟡 Medium | 52s | The problem asks us to manipulate an array of integers, nums, in a … |
| 2568 | Minimum Impossible OR | 🟡 Medium | 48s | The problem asks us to find the smallest positive integer that cann… |
| 2569 | Handling Sum Queries After Update | 🔴 Hard | 1m 22s | This problem gives us two arrays, nums1 and nums2, both of the same… |
| 2570 | Merge Two 2D Arrays by Summing Values | 🟢 Easy | 1m 2s | The problem gives us two sorted 2D integer arrays, nums1 and nums2,… |
| 2571 | Minimum Operations to Reduce an Integer to 0 | 🟡 Medium | 45s | The problem asks us to find the minimum number of operations requir… |
| 2572 | Count the Number of Square-Free Subsets | 🟡 Medium | 59s | The problem asks us to count all non-empty subsets of a given array… |
| 2573 | Find the String with LCP | 🔴 Hard | 1m 25s | The problem gives us an n x n matrix called lcp, where: - lcp[i][j]… |
| 2574 | Left and Right Sum Differences | 🟢 Easy | 51s | The problem asks us to compute the absolute difference between the … |
| 2575 | Find the Divisibility Array of a String | 🟡 Medium | 1m 14s | The problem gives us a numeric string word and an integer m. For ev… |
| 2576 | Find the Maximum Number of Marked Indices | 🟡 Medium | 42s | This problem asks us to maximize the number of indices in an array … |
| 2577 | Minimum Time to Visit a Cell In a Grid | 🔴 Hard | 48s | That is a long, multi-section technical guide. To make sure I targe… |
| 2578 | Split With Minimum Sum | 🟢 Easy | 52s | The problem asks us to take a positive integer num and split its di… |
| 2579 | Count Total Number of Colored Cells | 🟡 Medium | 56s | The problem describes a process of coloring cells on an infinite tw… |
| 2580 | Count Ways to Group Overlapping Ranges | 🟡 Medium | 1m 10s | The problem gives us a list of integer ranges, where each range rep… |
| 2581 | Count Number of Possible Root Nodes | 🔴 Hard | 1m 23s | This problem gives us an undirected tree with n nodes and a list of… |
| 2582 | Pass the Pillow | 🟢 Easy | 1m | The problem describes a line of n people, numbered sequentially fro… |
| 2583 | Kth Largest Sum in a Binary Tree | 🟡 Medium | 1m 13s | The problem gives us the root of a binary tree and an integer k. Fo… |
| 2584 | Split the Array to Make Coprime Products | 🔴 Hard | 44s | The problem is asking us to find a valid split point in an array nu… |
| 2585 | Number of Ways to Earn Points | 🔴 Hard | 55s | This problem is essentially asking how many distinct ways we can se… |
| 2586 | Count the Number of Vowel Strings in Range | 🟢 Easy | 1m 1s | The problem gives us an array of lowercase strings called words and… |
| 2587 | Rearrange Array to Maximize Prefix Score | 🟡 Medium | 1m 4s | The problem gives us a 0-indexed array of integers, nums, which can… |
| 2588 | Count the Number of Beautiful Subarrays | 🟡 Medium | 6m 11s | The problem gives us an array nums, and we are allowed to repeatedl… |
| 2589 | Minimum Time to Complete All Tasks | 🔴 Hard | 58s | This problem is asking us to determine the minimum amount of time t… |
| 2590 | Design a Todo List | 🟡 Medium | 1m 19s | This problem asks us to design a small task management system, simi… |
| 2591 | Distribute Money to Maximum Children | 🟢 Easy | 1m 57s | Problem Understanding |
| 2592 | Maximize Greatness of an Array | 🟡 Medium | 1m 3s | Here is the complete, detailed technical solution guide for LeetCod… |
| 2593 | Find Score of an Array After Marking All Elements | 🟡 Medium | 1m | Here is a comprehensive, detailed technical solution guide for Leet… |
| 2594 | Minimum Time to Repair Cars | 🟡 Medium | 1m 8s | The problem gives us a list of mechanics, where each mechanic has a… |
| 2595 | Number of Even and Odd Bits | 🟢 Easy | 1m 40s | The problem asks us to analyze the binary representation of a posit… |
| 2596 | Check Knight Tour Configuration | 🟡 Medium | 1m 14s | The problem gives us an n x n matrix called grid, where every numbe… |
| 2597 | The Number of Beautiful Subsets | 🟡 Medium | 1m 13s | The problem asks us to count how many non-empty subsets of the arra… |
| 2598 | Smallest Missing Non-negative Integer After Operations | 🟡 Medium | 1m 11s | That is a long, structured technical guide with multiple required s… |
| 2599 | Make the Prefix Sum Non-negative | 🟡 Medium | 48s | The problem asks us to manipulate an array of integers, nums, so th… |
| 2600 | K Items With the Maximum Sum | 🟢 Easy | 48s | The problem asks us to determine the maximum possible sum when pick… |
| 2601 | Prime Subtraction Operation | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and asks whether it is p… |
| 2602 | Minimum Operations to Make All Array Elements Equal | 🟡 Medium | 1m 20s | The problem gives us an integer array nums and another array querie… |
| 2603 | Collect Coins in a Tree | 🔴 Hard | 45s | The problem is about collecting coins located on the nodes of a tre… |
| 2604 | Minimum Time to Eat All Grains | 🔴 Hard | 51s | The problem asks us to determine the minimum time needed for all he… |
| 2605 | Form Smallest Number From Two Digit Arrays | 🟢 Easy | 1m 18s | The problem gives us two arrays, nums1 and nums2, where each array … |
| 2606 | Find the Substring With Maximum Cost | 🟡 Medium | 51s | The problem asks us to find the substring of a given string s that … |
| 2607 | Make K-Subarray Sums Equal | 🟡 Medium | 47s | The problem asks us to transform a circular integer array so that e… |
| 2608 | Shortest Cycle in a Graph | 🔴 Hard | 1m 16s | The problem gives us an undirected graph with n vertices labeled fr… |
| 2609 | Find the Longest Balanced Substring of a Binary String | 🟢 Easy | 1m 11s | The problem gives us a binary string s, which means the string cont… |
| 2610 | Convert an Array Into a 2D Array With Conditions | 🟡 Medium | 50s | The problem asks us to transform a one-dimensional integer array nu… |
| 2611 | Mice and Cheese | 🟡 Medium | 1m 1s | The problem gives us two arrays, reward1 and reward2, where each in… |
| 2612 | Minimum Reverse Operations | 🔴 Hard | 48s | This will be a very large, multi-thousand-word technical guide beca… |
| 2613 | Beautiful Pairs | 🔴 Hard | 45s | The problem asks us to find a beautiful pair of indices (i, j) in t… |
| 2614 | Prime In Diagonal | 🟢 Easy | 1m 16s | The problem gives us a square matrix nums of size n x n. We need to… |
| 2615 | Sum of Distances | 🟡 Medium | 1m 28s | The problem asks us to compute, for every index i in the array nums… |
| 2616 | Minimize the Maximum Difference of Pairs | 🟡 Medium | 1m 5s | The problem asks us to select exactly p disjoint pairs from the arr… |
| 2617 | Minimum Number of Visited Cells in a Grid | 🔴 Hard | 50s | The problem asks us to determine the minimum number of cells we nee… |
| 2618 | Check if Object Instance of Class | 🟡 Medium | 50s | The problem asks us to implement a function that checks whether a g… |
| 2619 | Array Prototype Last | 🟢 Easy | 40s | The problem asks us to enhance all JavaScript arrays so that they h… |
| 2620 | Counter | 🟢 Easy | 46s | The problem is asking us to implement a simple counter function wit… |
| 2621 | Sleep | 🟢 Easy | 37s | The problem asks us to implement an asynchronous function sleep tha… |
| 2622 | Cache With Time Limit | 🟡 Medium | 1m 3s | This problem asks us to implement a cache that stores key-value pai… |
| 2623 | Memoize | 🟡 Medium | 53s | This problem asks us to create a memoized version of a function. Me… |
| 2624 | Snail Traversal | 🟡 Medium | 50s | The problem asks us to take a 1D array of integers and convert it i… |
| 2625 | Flatten Deeply Nested Array | 🟡 Medium | 1m 12s | This problem is implemented in JavaScript on LeetCode, but you requ… |
| 2626 | Array Reduce Transformation | 🟢 Easy | 40s | The problem is asking us to simulate a "reduce" operation on an arr… |
| 2627 | Debounce | 🟡 Medium | 1m 3s | This problem asks us to implement a utility function called debounc… |
| 2628 | JSON Deep Equal | 🟡 Medium | 40s | The problem asks us to determine whether two JSON values, o1 and o2… |
| 2629 | Function Composition | 🟢 Easy | 1m 7s | This problem asks us to implement function composition. We are give… |
| 2630 | Memoize II | 🔴 Hard | 47s | The problem asks us to implement a memoized version of a given func… |
| 2631 | Group By | 🟡 Medium | 37s | The problem asks us to enhance arrays such that any array can call … |
| 2632 | Curry | 🟡 Medium | 47s | The problem is asking us to implement currying for a given function… |
| 2633 | Convert Object to JSON String | 🟡 Medium | 1m 38s | The problem asks us to manually implement the behavior of JavaScrip… |
| 2634 | Filter Elements from Array | 🟢 Easy | 44s | The problem asks us to implement a function that filters an array b… |
| 2635 | Apply Transform Over Each Element in Array | 🟢 Easy | 56s | This problem asks us to implement a custom version of the array tra… |
| 2636 | Promise Pool | 🟡 Medium | 1m 7s | This problem asks us to implement a concurrency limiter for asynchr… |
| 2637 | Promise Time Limit | 🟡 Medium | 46s | This problem asks us to implement a time-limited wrapper around an … |
| 2638 | Count the Number of K-Free Subsets | 🟡 Medium | 45s | That is a detailed, long-form solution guide request. Before I gene… |
| 2639 | Find the Width of Columns of a Grid | 🟢 Easy | 1m 14s | The problem gives us a two dimensional integer matrix called grid w… |
| 2640 | Find the Score of All Prefixes of an Array | 🟡 Medium | 40s | The problem requires calculating a score for all prefixes of an arr… |
| 2641 | Cousins in Binary Tree II | 🟡 Medium | 1m 17s | The problem gives us the root of a binary tree and asks us to repla… |
| 2642 | Design Graph With Shortest Path Calculator | 🔴 Hard | 1m 47s | The problem asks us to design a graph data structure that supports … |
| 2643 | Row With Maximum Ones | 🟢 Easy | 56s | Here is the complete, detailed technical solution guide for LeetCod… |
| 2644 | Find the Maximum Divisibility Score | 🟢 Easy | 59s | The problem asks us to identify, from a list of divisors, the integ… |
| 2645 | Minimum Additions to Make Valid String | 🟡 Medium | 1m 58s | This problem asks us to determine the minimum number of insertions … |
| 2646 | Minimize the Total Price of the Trips | 🔴 Hard | 1m 13s | The problem gives us an undirected tree with n nodes. Every node ha… |
| 2647 | Color the Triangle Red | 🔴 Hard | 46s | The problem asks us to determine the minimal set of initial triangl… |
| 2648 | Generate Fibonacci Sequence | 🟢 Easy | 35s | The problem asks us to implement a generator function that yields n… |
| 2649 | Nested Array Generator | 🟡 Medium | 1m 1s | This problem asks us to implement a generator that traverses a mult… |
| 2650 | Design Cancellable Function | 🔴 Hard | 43s | The problem asks us to implement a mechanism to run a generator tha… |
| 2651 | Calculate Delayed Arrival Time | 🟢 Easy | 35s | The problem asks us to calculate the arrival time of a train given … |
| 2652 | Sum Multiples | 🟢 Easy | 41s | The problem requires calculating the sum of all integers from 1 up … |
| 2653 | Sliding Subarray Beauty | 🟡 Medium | 37s | The problem asks us to compute the beauty of every contiguous subar… |
| 2654 | Minimum Number of Operations to Make All Array Elements Equal to 1 | 🟡 Medium | 1m 31s | The problem gives us an array of positive integers, nums. In one op… |
| 2655 | Find Maximal Uncovered Ranges | 🟡 Medium | 1m 26s | The problem gives us an integer n, representing a conceptual array … |
| 2656 | Maximum Sum With Exactly K Elements | 🟢 Easy | 1m 7s | The problem gives us an integer array nums and an integer k. We mus… |
| 2657 | Find the Prefix Common Array of Two Arrays | 🟡 Medium | 48s | The problem provides two arrays, A and B, each a permutation of int… |
| 2658 | Maximum Number of Fish in a Grid | 🟡 Medium | 50s | The problem provides a 2D grid representing a map of land and water… |
| 2659 | Make Array Empty | 🔴 Hard | 1m 23s | The problem gives us an array of distinct integers and defines two … |
| 2660 | Determine the Winner of a Bowling Game | 🟢 Easy | 41s | The problem describes a simplified scoring system for a bowling gam… |
| 2661 | First Completely Painted Row or Column | 🟡 Medium | 48s | The problem is asking us to simulate a painting process on a 2D mat… |
| 2662 | Minimum Cost of a Path With Special Roads | 🟡 Medium | 38s | The problem asks us to find the minimum cost to move from a startin… |
| 2663 | Lexicographically Smallest Beautiful String | 🔴 Hard | 51s | The problem requires generating the lexicographically smallest beau… |
| 2664 | The Knight\u2019s Tour | 🟡 Medium | 1m 21s | This problem asks us to construct a complete knight’s tour on an m … |
| 2665 | Counter II | 🟢 Easy | 39s | The problem asks us to implement a counter object that maintains a … |
| 2666 | Allow One Function Call | 🟢 Easy | 1m 7s | This problem asks us to create a wrapper around an existing functio… |
| 2667 | Create Hello World Function | 🟢 Easy | 1m 1s | The problem asks us to implement a function named createHelloWorld … |
| 2668 | Find Latest Salaries | 🟢 Easy | 1m 14s | This problem gives us a database table named Salary that stores emp… |
| 2669 | Count Artist Occurrences On Spotify Ranking List | 🟢 Easy | 1m 26s | This problem provides a database table named Spotify that contains … |
| 2670 | Find the Distinct Difference Array | 🟢 Easy | 1m 1s | The problem asks us to compute the distinct difference array for a … |
| 2671 | Frequency Tracker | 🟡 Medium | 1m 6s | The problem asks us to design a data structure, FrequencyTracker, t… |
| 2672 | Number of Adjacent Elements With the Same Color | 🟡 Medium | 1m 30s | The problem gives us an array called colors of length n. Initially,… |
| 2673 | Make Costs of Paths Equal in a Binary Tree | 🟡 Medium | 1m 13s | Edit This problem gives us a perfect binary tree with n nodes, wher… |
| 2674 | Split a Circular Linked List | 🟡 Medium | 47s | The problem asks us to take a circular linked list of positive inte… |
| 2675 | Array of Objects to Matrix | 🔴 Hard | 38s | The problem is asking us to transform a JSON-like array of objects … |
| 2676 | Throttle | 🟡 Medium | 1m 11s | This problem asks us to implement a throttling mechanism for a func… |
| 2677 | Chunk Array | 🟢 Easy | 1m 4s | This problem asks us to split an input array into smaller subarrays… |
| 2678 | Number of Senior Citizens | 🟢 Easy | 47s | This problem asks us to count the number of passengers in a list wh… |
| 2679 | Sum in a Matrix | 🟡 Medium | 1m 23s | The problem gives us a 2D integer matrix nums. Each row contains se… |
| 2680 | Maximum OR | 🟡 Medium | 1m 10s | In this problem, we are given an integer array nums and an integer … |
| 2681 | Power of Heroes | 🔴 Hard | 1m 23s | The problem asks us to compute the total "power" across every possi… |
| 2682 | Find the Losers of the Circular Game | 🟢 Easy | 1m 30s | This problem describes a circular passing game among n friends numb… |
| 2683 | Neighboring Bitwise XOR | 🟡 Medium | 40s | The problem presents us with a binary array called derived of lengt… |
| 2684 | Maximum Number of Moves in a Grid | 🟡 Medium | 1m 37s | The problem gives us an m x n matrix called grid, where every cell … |
| 2685 | Count the Number of Complete Components | 🟡 Medium | 1m 13s | This problem asks us to count how many connected components in an u… |
| 2686 | Immediate Food Delivery III | 🟡 Medium | 1m 7s | This problem asks us to calculate the percentage of immediate food … |
| 2687 | Bikes Last Time Used | 🟢 Easy | 42s | The problem requires us to identify the last time each bike was use… |
| 2688 | Find Active Users | 🟡 Medium | 1m 27s | The problem gives us a database table named Users. Each row represe… |
| 2689 | Extract Kth Character From The Rope Tree | 🟢 Easy | 1m 31s | Edit This problem asks us to retrieve the k-th character from a str… |
| 2690 | Infinite Method Object | 🟢 Easy | 51s | This problem asks us to implement a function that returns an infini… |
| 2691 | Immutability Helper | 🔴 Hard | 48s | This problem is asking us to implement an immutability helper for J… |
| 2692 | Make Object Immutable | 🟡 Medium | 1m 31s | This problem asks us to create an immutable wrapper around a JSON o… |
| 2693 | Call Function with Custom Context | 🟡 Medium | 53s | This problem asks us to implement a custom version of JavaScript’s … |
| 2694 | Event Emitter | 🟡 Medium | 1m 22s | This problem asks us to design a simplified event system similar to… |
| 2695 | Array Wrapper | 🟢 Easy | 52s | This problem asks us to implement a class ArrayWrapper that encapsu… |
| 2696 | Minimum String Length After Removing Substrings | 🟢 Easy | 57s | The problem asks us to determine the minimum possible length of a s… |
| 2697 | Lexicographically Smallest Palindrome | 🟢 Easy | 1m 5s | The problem gives us a string s consisting only of lowercase Englis… |
| 2698 | Find the Punishment Number of an Integer | 🟡 Medium | 1m 17s | The problem asks us to compute a special value called the punishmen… |
| 2699 | Modify Graph Edge Weights | 🔴 Hard | 42s | You asked for a complete guide, but the previous message included t… |
| 2700 | Differences Between Two Objects | 🟡 Medium | 50s | That is a long-form reference document with multiple substantial se… |
| 2701 | Consecutive Transactions with Increasing Amounts | 🔴 Hard | 1m 5s | Before I generate it, there is one important issue to resolve: Leet… |
| 2702 | Minimum Operations to Make Numbers Non-positive | 🔴 Hard | 1m 46s | In this problem, we are given an array nums and two integers x and … |
| 2703 | Return Length of Arguments Passed | 🟢 Easy | 42s | The problem asks for a function that returns the number of argument… |
| 2704 | To Be Or Not To Be | 🟢 Easy | 1m 3s | This problem asks us to implement a very small testing utility that… |
| 2705 | Compact Object | 🟡 Medium | 59s | The problem asks us to compact a JSON-like object or array by remov… |
| 2706 | Buy Two Chocolates | 🟢 Easy | 48s | The problem is asking us to purchase exactly two chocolates from a … |
| 2707 | Extra Characters in a String | 🟡 Medium | 47s | The problem asks us to break a string s into non-overlapping substr… |
| 2708 | Maximum Strength of a Group | 🟡 Medium | 50s | The problem asks us to select a non-empty subset of integers from a… |
| 2709 | Greatest Common Divisor Traversal | 🔴 Hard | 1m 1s | Understood. I will provide the complete, detailed reference guide f… |
| 2710 | Remove Trailing Zeros From a String | 🟢 Easy | 38s | The problem asks us to remove all trailing zeros from a string repr… |
| 2711 | Difference of Number of Distinct Values on Diagonals | 🟡 Medium | 51s | The problem is asking us to compute a new matrix answer based on a … |
| 2712 | Minimum Cost to Make All Characters Equal | 🟡 Medium | 3m 54s | The problem gives us a binary string s consisting only of character… |
| 2713 | Maximum Strictly Increasing Cells in a Matrix | 🔴 Hard | 1m 18s | The problem gives us an m x n matrix where each cell contains an in… |
| 2714 | Find Shortest Path with K Hops | 🔴 Hard | 1m 25s | This problem gives us an undirected weighted graph with n nodes and… |
| 2715 | Timeout Cancellation | 🟢 Easy | 48s | This problem asks us to implement a cancellable delayed function ex… |
| 2716 | Minimize String Length | 🟢 Easy | 56s | The problem asks us to minimize the length of a given string s by r… |
| 2717 | Semi-Ordered Permutation | 🟢 Easy | 1m 32s | The problem gives us a permutation nums of length n. A permutation … |
| 2718 | Sum of Matrix After Queries | 🟡 Medium | 1m 10s | The problem gives us an integer n representing the size of an n x n… |
| 2719 | Count of Integers | 🔴 Hard | 1m 2s | The problem asks us to count how many integers lie between two give… |
| 2720 | Popularity Percentage | 🔴 Hard | 1m 27s | The Friends table stores friendship relationships between users on … |
| 2721 | Execute Asynchronous Functions in Parallel | 🟡 Medium | 1m 10s | This problem asks us to implement a custom version of Promise.all, … |
| 2722 | Join Two Arrays by ID | 🟡 Medium | 1m 11s | This problem asks us to merge two arrays of JSON objects based on a… |
| 2723 | Add Two Promises | 🟢 Easy | 50s | This problem asks us to work with JavaScript promises and asynchron… |
| 2724 | Sort By | 🟢 Easy | 1m 4s | This problem asks us to sort an array using a custom sorting rule. … |
| 2725 | Interval Cancellation | 🟢 Easy | 52s | This problem asks us to implement a function cancellable that repea… |
| 2726 | Calculator with Method Chaining | 🟢 Easy | 1m 3s | This problem asks us to design a class named Calculator that suppor… |
| 2727 | Is Object Empty | 🟢 Easy | 50s | This problem asks us to determine if a given object or array is emp… |
| 2728 | Count Houses in a Circular Street | 🟢 Easy | 45s | The problem asks us to determine the number of houses on a circular… |
| 2729 | Check if The Number is Fascinating | 🟢 Easy | 1m 4s | The problem gives us a three digit integer n. We must determine whe… |
| 2730 | Find the Longest Semi-Repetitive Substring | 🟡 Medium | 1m 16s | The problem gives us a string s consisting only of digits from 0 to… |
| 2731 | Movement of Robots | 🟡 Medium | 5m 48s | The problem gives us a list of robots positioned on an infinite num… |
| 2732 | Find a Good Subset of the Matrix | 🔴 Hard | 54s | The problem asks us to find a subset of rows in a binary matrix whe… |
| 2733 | Neither Minimum nor Maximum | 🟢 Easy | 56s | The problem asks us to select a number from an array of distinct po… |
| 2734 | Lexicographically Smallest String After Substring Operation | 🟡 Medium | 1m 12s | The problem gives us a lowercase English string s. We must perform … |
| 2735 | Collecting Chocolates | 🟡 Medium | 1m 23s | The problem gives us an array nums, where nums[i] represents the co… |
| 2736 | Maximum Sum Queries | 🔴 Hard | 1m 15s | We are given two arrays, nums1 and nums2, both of length n. Each in… |
| 2737 | Find the Closest Marked Node | 🟡 Medium | 32s | That is a very large, detailed reference document with multiple lon… |
| 2738 | Count Occurrences in Text | 🟡 Medium | 1m | The problem asks us to analyze a database table named Files that co… |
| 2739 | Total Distance Traveled | 🟢 Easy | 59s | This problem asks us to compute the maximum total distance a truck … |
| 2740 | Find the Value of the Partition | 🟡 Medium | 1m 9s | We are given an array nums containing positive integers. Our task i… |
| 2741 | Special Permutations | 🟡 Medium | 50s | The problem asks us to count the number of special permutations of … |
| 2742 | Painting the Walls | 🔴 Hard | 54s | The problem is asking us to determine the minimum total cost to pai… |
| 2743 | Count Substrings Without Repeating Character | 🟡 Medium | 1m 7s | The problem asks us to count how many substrings of a given string … |
| 2744 | Find Maximum Number of String Pairs | 🟢 Easy | 56s | This problem gives us an array words containing distinct strings. E… |
| 2745 | Construct the Longest New String | 🟡 Medium | 1m 9s | The problem gives us three types of fixed two-character strings: - … |
| 2746 | Decremental String Concatenation | 🟡 Medium | 1m 23s | The problem gives us an array of strings words. We start with words… |
| 2747 | Count Zero Request Servers | 🟡 Medium | 1m 2s | This problem asks us to count servers that did not receive any requ… |
| 2748 | Number of Beautiful Pairs | 🟢 Easy | 59s | The problem gives us a 0-indexed integer array nums. We must count … |
| 2749 | Minimum Operations to Make the Integer Zero | 🟡 Medium | 1m 22s | The problem gives us two integers, num1 and num2. In one operation,… |
| 2750 | Ways to Split Array Into Good Subarrays | 🟡 Medium | 1m | The problem asks us to count the number of ways we can split a give… |
| 2751 | Robot Collisions | 🔴 Hard | 56s | This problem describes a simulation of robots moving on a one-dimen… |
| 2752 | Customers with Maximum Number of Transactions on Consecutive Days | 🔴 Hard | 1m 20s | The problem gives us a database table named Transactions. Each row … |
| 2753 | Count Houses in a Circular Street II | 🔴 Hard | 49s | The problem presents a circular street where each house has a door … |
| 2754 | Bind Function to Context | 🟡 Medium | 55s | The problem is asking us to implement a polyfill for JavaScript's b… |
| 2755 | Deep Merge of Two Objects | 🟡 Medium | 1m 30s | Here is the complete technical solution guide for LeetCode 2755 fol… |
| 2756 | Query Batching | 🔴 Hard | 1m 19s | The problem asks us to design a throttled batching system for async… |
| 2757 | Generate Circular Array Values | 🟡 Medium | 49s | The problem asks us to create a generator for a circular array, arr… |
| 2758 | Next Day | 🟢 Easy | 1m 29s | This problem asks us to extend JavaScript's built in Date object by… |
| 2759 | Convert JSON String to Object | 🔴 Hard | 59s | The problem asks us to take a JSON-formatted string str and convert… |
| 2760 | Longest Even Odd Subarray With Threshold | 🟢 Easy | 47s | The problem asks us to find the length of the longest contiguous su… |
| 2761 | Prime Pairs With Target Sum | 🟡 Medium | 1m 1s | The problem asks us to find all pairs of prime numbers (x, y) such … |
| 2762 | Continuous Subarrays | 🟡 Medium | 2m 21s | That is a long, structured technical guide. To make sure I target t… |
| 2763 | Sum of Imbalance Numbers of All Subarrays | 🔴 Hard | 1m 12s | For any array, its imbalance number is determined after sorting the… |
| 2764 | Is Array a Preorder of Some \u200cBinary Tree | 🟡 Medium | 51s | The problem asks us to determine whether a given list of nodes repr… |
| 2765 | Longest Alternating Subarray | 🟢 Easy | 1m 20s | This problem asks us to find the longest contiguous subarray that f… |
| 2766 | Relocate Marbles | 🟡 Medium | 1m 22s | The problem gives us an array nums representing the positions of ma… |
| 2767 | Partition String Into Minimum Beautiful Substrings | 🟡 Medium | 59s | The problem asks us to partition a given binary string s into the m… |
| 2768 | Number of Black Blocks | 🟡 Medium | 55s | This problem asks us to count the number of 2 x 2 blocks in a grid … |
| 2769 | Find the Maximum Achievable Number | 🟢 Easy | 1m 3s | The problem gives us two integers, num and t. We are allowed to per… |
| 2770 | Maximum Number of Jumps to Reach the Last Index | 🟡 Medium | 35s | The problem asks us to determine the maximum number of jumps one ca… |
| 2771 | Longest Non-decreasing Subarray From Two Arrays | 🟡 Medium | 53s | The problem is asking us to construct an array nums3 of length n fr… |
| 2772 | Apply Operations to Make All Array Elements Equal to Zero | 🟡 Medium | 1m 31s | The problem gives us an integer array nums and an integer k. We are… |
| 2773 | Height of Special Binary Tree | 🟡 Medium | 1m 13s | This problem gives us the root of a special binary tree. At first g… |
| 2774 | Array Upper Bound | 🟢 Easy | 1m 8s | The problem asks us to enhance JavaScript arrays with a method call… |
| 2775 | Undefined to Null | 🟡 Medium | 47s | The problem requires us to recursively traverse a nested object or … |
| 2776 | Convert Callback Based Function to Promise Based Function | 🟡 Medium | 1m 4s | This problem asks us to implement a utility function called promisi… |
| 2777 | Date Range Generator | 🟡 Medium | 55s | The problem asks us to generate a sequence of dates starting from a… |
| 2778 | Sum of Squares of Special Elements | 🟢 Easy | 53s | This problem asks us to compute the sum of squares of certain eleme… |
| 2779 | Maximum Beauty of an Array After Applying Operation | 🟡 Medium | 49s | This problem asks us to determine the maximum "beauty" of an array … |
| 2780 | Minimum Index of a Valid Split | 🟡 Medium | 1m | The problem asks us to find a minimum index at which a given intege… |
| 2781 | Length of the Longest Valid Substring | 🔴 Hard | 1m 15s | The problem gives us a string word and a list of forbidden strings … |
| 2782 | Number of Unique Categories | 🟡 Medium | 1m 14s | This problem asks us to determine how many distinct categories exis… |
| 2783 | Flight Occupancy and Waitlist Analysis | 🟡 Medium | 1m 7s | This problem models airline flight bookings with limited seating ca… |
| 2784 | Check if Array is Good | 🟢 Easy | 1m 13s | The problem defines a special type of array called a "good" array. … |
| 2785 | Sort Vowels in a String | 🟡 Medium | 1m | This problem requires us to reorder the vowels in a string while ke… |
| 2786 | Visit Array Positions to Maximize Score | 🟡 Medium | 47s | The problem presents a 0-indexed array nums of integers and a posit… |
| 2787 | Ways to Express an Integer as Sum of Powers | 🟡 Medium | 1m 18s | This problem asks us to count how many different ways we can repres… |
| 2788 | Split Strings by Separator | 🟢 Easy | 1m 6s | This problem asks us to process an array of strings and split each … |
| 2789 | Largest Element in an Array after Merge Operations | 🟡 Medium | 1m 9s | The problem gives us an array of positive integers and allows a spe… |
| 2790 | Maximum Number of Groups With Increasing Length | 🔴 Hard | 1m 18s | We are given an array usageLimits where usageLimits[i] tells us how… |
| 2791 | Count Paths That Can Form a Palindrome in a Tree | 🔴 Hard | 51s | I can do that, but the guide will be very long for a single chat re… |
| 2792 | Count Nodes That Are Great Enough | 🔴 Hard | 1m 24s | The problem gives us the root of a binary tree and an integer k. We… |
| 2793 | Status of Flight Tickets | 🔴 Hard | 1m 20s | This problem asks us to determine whether each passenger's ticket i… |
| 2794 | Create Object from Two Arrays | 🟢 Easy | 1m 11s | The problem provides two arrays, keysArr and valuesArr, which alway… |
| 2795 | Parallel Execution of Promises for Individual Results Retrieval | 🟡 Medium | 59s | This problem asks us to implement a function similar to JavaScript'… |
| 2796 | Repeat String | 🟢 Easy | 1m 16s | This problem asks us to extend the behavior of strings so that ever… |
| 2797 | Partial Function with Placeholders | 🟢 Easy | 1m 2s | The problem is asking us to implement a function partial that takes… |
| 2798 | Number of Employees Who Met the Target | 🟢 Easy | 46s | The problem asks us to determine how many employees in a company ha… |
| 2799 | Count Complete Subarrays in an Array | 🟡 Medium | 53s | The problem asks us to count the number of complete subarrays in a … |
| 2800 | Shortest String That Contains Three Strings | 🟡 Medium | 58s | The problem asks us to construct a string that contains three given… |
| 2801 | Count Stepping Numbers in Range | 🔴 Hard | 1m 39s | The problem asks us to count how many integers in the inclusive ran… |
| 2802 | Find The K-th Lucky Number | 🟡 Medium | 42s | This problem asks us to find the k-th lucky number, where a lucky n… |
| 2803 | Factorial Generator | 🟢 Easy | 1m 4s | This problem asks us to implement a generator that produces the fac… |
| 2804 | Array Prototype ForEach | 🟢 Easy | 58s | This problem asks us to implement a custom version of the forEach m… |
| 2805 | Custom Interval | 🟡 Medium | 1m 12s | This problem asks us to implement a custom version of setInterval, … |
| 2806 | Account Balance After Rounded Purchase | 🟢 Easy | 1m 6s | The problem is asking us to simulate a simple bank account deductio… |
| 2807 | Insert Greatest Common Divisors in Linked List | 🟡 Medium | 1m 15s | This problem gives us the head of a singly linked list where every … |
| 2808 | Minimum Seconds to Equalize a Circular Array | 🟡 Medium | 1m 11s | The problem gives a circular array nums of length n. At each second… |
| 2809 | Minimum Time to Make Array Sum At Most x | 🔴 Hard | 56s | The problem provides two integer arrays nums1 and nums2 of equal le… |
| 2810 | Faulty Keyboard | 🟢 Easy | 1m 10s | In this problem, we are given a string s that represents characters… |
| 2811 | Check if it is Possible to Split Array | 🟡 Medium | 44s | The problem asks whether it is possible to split an input array num… |
| 2812 | Find the Safest Path in a Grid | 🟡 Medium | 1m 27s | This problem asks us to find a path from the top-left corner (0,0) … |
| 2813 | Maximum Elegance of a K-Length Subsequence | 🔴 Hard | 57s | The problem presents a 0-indexed 2D array items of length n, where … |
| 2814 | Minimum Time Takes to Reach Destination Without Drowning | 🔴 Hard | 1m 33s | This problem takes place on a two-dimensional grid where each cell … |
| 2815 | Max Pair Sum in an Array | 🟢 Easy | 1m 10s | The problem gives us an array of integers nums. For every number, w… |
| 2816 | Double a Number Represented as a Linked List | 🟡 Medium | 56s | This problem asks us to double a number represented as a singly lin… |
| 2817 | Minimum Absolute Difference Between Elements With Constraint | 🟡 Medium | 1m 32s | We are given an integer array nums and an integer x. We need to fin… |
| 2818 | Apply Operations to Maximize Score | 🔴 Hard | 1m 38s | The problem gives us an array nums and an integer k. We begin with … |
| 2819 | Minimum Relative Loss After Buying Chocolates | 🔴 Hard | 1m 50s | We are given an array prices, where each value represents the price… |
| 2820 | Election Results | 🟡 Medium | 1m 52s | The Votes table records every voter-candidate selection. A voter ma… |
| 2821 | Delay the Resolution of Each Promise | 🟡 Medium | 1m 17s | The problem asks us to take an array of functions, each returning a… |
| 2822 | Inversion of Object | 🟢 Easy | 1m 23s | This problem asks us to invert the relationship between keys and va… |
| 2823 | Deep Object Filter | 🟡 Medium | 1m 31s | This problem asks us to recursively filter a JSON-like structure th… |
| 2824 | Count Pairs Whose Sum is Less than Target | 🟢 Easy | 1m 7s | This problem asks us to count the number of unique pairs of indices… |
| 2825 | Make String a Subsequence Using Cyclic Increments | 🟡 Medium | 1m 20s | The problem gives us two lowercase strings, str1 and str2. We are a… |
| 2826 | Sorting Three Groups | 🟡 Medium | 1m 11s | We are given an array nums where every element is either 1, 2, or 3… |
| 2827 | Number of Beautiful Integers in the Range | 🔴 Hard | 1m 29s | The problem asks us to count how many integers within the inclusive… |
| 2828 | Check if a String Is an Acronym of Words | 🟢 Easy | 1m 26s | This problem asks us to determine whether a given string s is exact… |
| 2829 | Determine the Minimum Sum of a k-avoiding Array | 🟡 Medium | 4m 5s | The problem asks us to construct an array of n distinct positive in… |
| 2830 | Maximize the Profit as the Salesman | 🟡 Medium | 1m 38s | This problem gives us n houses arranged on a number line and a coll… |
| 2831 | Find the Longest Equal Subarray | 🟡 Medium | 1m 5s | The problem asks us to find the longest contiguous subarray where a… |
| 2832 | Maximal Range That Each Element Is Maximum in It | 🟡 Medium | 1m 11s | We are given an array nums consisting of distinct integers. For eve… |
| 2833 | Furthest Point From Origin | 🟢 Easy | 1m | This problem asks us to determine the maximum possible distance fro… |
| 2834 | Find the Minimum Possible Sum of a Beautiful Array | 🟡 Medium | 1m 12s | We are given two positive integers, n and target. We need to constr… |
| 2835 | Minimum Operations to Form Subsequence With Target Sum | 🔴 Hard | 1m 8s | The problem presents a 0-indexed array nums of non-negative powers … |
| 2836 | Maximize Value of Function in a Ball Passing Game | 🔴 Hard | 55s | This problem presents a ball-passing game among n players, represen… |
| 2837 | Total Traveled Distance | 🟢 Easy | 50s | The problem requires calculating the total distance traveled by eac… |
| 2838 | Maximum Coins Heroes Can Collect | 🟡 Medium | 1m 18s | This problem gives us three arrays: - heroes, where heroes[i] repre… |
| 2839 | Check if Strings Can be Made Equal With Operations I | 🟢 Easy | 2m 24s | The problem gives us two strings, s1 and s2, each containing exactl… |
| 2840 | Check if Strings Can be Made Equal With Operations II | 🟡 Medium | 1m 2s | The problem asks us to determine whether two strings s1 and s2 of e… |
| 2841 | Maximum Sum of Almost Unique Subarray | 🟡 Medium | 1m 17s | The problem gives us an integer array nums and two integers, m and … |
| 2842 | Count K-Subsequences of a String With Maximum Beauty | 🔴 Hard | 1m 2s | The problem requires us to count k-subsequences of a string s that … |
| 2843 | Count Symmetric Integers | 🟢 Easy | 48s | The problem asks us to count symmetric integers within a given rang… |
| 2844 | Minimum Operations to Make a Special Number | 🟡 Medium | 1m 7s | The problem asks us to transform a string num representing a non-ne… |
| 2845 | Count of Interesting Subarrays | 🟡 Medium | 1m 3s | The problem is asking us to count the number of interesting subarra… |
| 2846 | Minimum Edge Weight Equilibrium Queries in a Tree | 🔴 Hard | 1m 36s | You are given an undirected weighted tree with n nodes. Since the g… |
| 2847 | Smallest Number With Given Digit Product | 🟡 Medium | 1m 18s | The problem gives us a positive integer n and asks us to construct … |
| 2848 | Points That Intersect With Cars | 🟢 Easy | 1m 5s | The problem asks us to determine how many integer points on a numbe… |
| 2849 | Determine if a Cell Is Reachable at a Given Time | 🟡 Medium | 1m 10s | This problem asks whether it is possible to reach a specific target… |
| 2850 | Minimum Moves to Spread Stones Over Grid | 🟡 Medium | 53s | This problem asks us to take a 3x3 grid of integers representing st… |
| 2851 | String Transformation | 🔴 Hard | 56s | The problem asks us to transform a string s into a target string t … |
| 2852 | Sum of Remoteness of All Cells | 🟡 Medium | 1m 12s | We are given an n × n grid where each cell is either: - A positive … |
| 2853 | Highest Salaries Difference | 🟢 Easy | 2m 59s | The problem provides a database table named Salaries with three col… |
| 2854 | Rolling Average Steps | 🟡 Medium | 1m 22s | This problem asks us to compute a 3-day rolling average of daily st… |
| 2855 | Minimum Right Shifts to Sort the Array | 🟢 Easy | 54s | The problem gives us a 0-indexed array nums of length n containing … |
| 2856 | Minimum Array Length After Pair Removals | 🟡 Medium | 1m 8s | This problem gives us a sorted integer array nums in non-decreasing… |
| 2857 | Count Pairs of Points With Distance k | 🟡 Medium | 1m 15s | We are given a list of 2D points, where each point is represented a… |
| 2858 | Minimum Edge Reversals So Every Node Is Reachable | 🔴 Hard | 1m 34s | This problem gives us a directed graph with n nodes and exactly n -… |
| 2859 | Sum of Values at Indices With K Set Bits | 🟢 Easy | 58s | The problem asks us to compute the sum of elements in an array, but… |
| 2860 | Happy Students | 🟡 Medium | 59s | The problem asks us to determine the number of ways to select a sub… |
| 2861 | Maximum Number of Alloys | 🟡 Medium | 2m 27s | This guide will be quite long because you requested a comprehensive… |
| 2862 | Maximum Element-Sum of a Complete Subset of Indices | 🔴 Hard | 1m 15s | The array nums is 1-indexed, meaning the first element corresponds … |
| 2863 | Maximum Length of Semi-Decreasing Subarrays | 🟡 Medium | 2m 20s | The problem gives us an integer array nums and asks for the length … |
| 2864 | Maximum Odd Binary Number | 🟢 Easy | 1m 7s | The problem gives us a binary string s, containing only '0' and '1'… |
| 2865 | Beautiful Towers I | 🟡 Medium | 1m 2s | The problem asks us to transform an array of tower heights into a m… |
| 2866 | Beautiful Towers II | 🟡 Medium | 1m 4s | The problem asks us to build a series of towers along a coordinate … |
| 2867 | Count Valid Paths in a Tree | 🔴 Hard | 2m 26s | That is a long, structured reference document with multiple require… |
| 2868 | The Wording Game | 🔴 Hard | 57s | The problem describes a turn-based game between Alice and Bob, wher… |
| 2869 | Minimum Operations to Collect Elements | 🟢 Easy | 1m 5s | This problem gives us an array nums and an integer k. We repeatedly… |
| 2870 | Minimum Number of Operations to Make Array Empty | 🟡 Medium | 1m 5s | The problem gives us an array nums containing positive integers. In… |
| 2871 | Split Array Into Maximum Number of Subarrays | 🟡 Medium | 57s | The problem is asking us to split a given array of non-negative int… |
| 2872 | Maximum Number of K-Divisible Components | 🔴 Hard | 53s | This problem is asking us to split a given undirected tree into as … |
| 2873 | Maximum Value of an Ordered Triplet I | 🟢 Easy | 1m 41s | You are given an integer array nums and must choose three indices (… |
| 2874 | Maximum Value of an Ordered Triplet II | 🟡 Medium | 1m 21s | The problem gives us a 0-indexed integer array nums and asks us to … |
| 2875 | Minimum Size Subarray in Infinite Array | 🟡 Medium | 1m 17s | This problem gives us a finite array nums, but asks us to imagine a… |
| 2876 | Count Visited Nodes in a Directed Graph | 🔴 Hard | 47s | The problem presents a directed graph with n nodes, where each node… |
| 2877 | Create a DataFrame from List | 🟢 Easy | 1m | This problem asks us to create a Pandas DataFrame from a given two … |
| 2878 | Get the Size of a DataFrame | 🟢 Easy | 55s | The problem asks us to determine the size of a DataFrame named play… |
| 2879 | Display the First Three Rows | 🟢 Easy | 50s | The problem requires displaying the first three rows of a given Dat… |
| 2880 | Select Data | 🟢 Easy | 1m 4s | This problem provides a pandas DataFrame named students with three … |
| 2881 | Create a New Column | 🟢 Easy | 45s | The problem is asking us to modify a given DataFrame named employee… |
| 2882 | Drop Duplicate Rows | 🟢 Easy | 54s | The problem asks us to process a DataFrame representing customers a… |
| 2883 | Drop Missing Data | 🟢 Easy | 1m | This problem provides a pandas DataFrame named students with three … |
| 2884 | Modify Columns | 🟢 Easy | 55s | The problem provides a Pandas DataFrame named employees with two co… |
| 2885 | Rename Columns | 🟢 Easy | 1m 3s | This problem asks us to rename the column names of a Pandas DataFra… |
| 2886 | Change Data Type | 🟢 Easy | 58s | This problem provides a Pandas DataFrame named students with four c… |
| 2887 | Fill Missing Data | 🟢 Easy | 56s | The problem provides a Pandas DataFrame named products with three c… |
| 2888 | Reshape Data: Concatenate | 🟢 Easy | 49s | The problem is asking us to vertically concatenate two DataFrames i… |
| 2889 | Reshape Data: Pivot | 🟢 Easy | 1m 2s | This problem gives us a Pandas DataFrame named weather with three c… |
| 2890 | Reshape Data: Melt | 🟢 Easy | 49s | This problem asks us to reshape a dataset from a wide format to a l… |
| 2891 | Method Chaining | 🟢 Easy | 1m 1s | This problem provides a Pandas DataFrame named animals with four co… |
| 2892 | Minimizing Array After Replacing Pairs With Their Product | 🟡 Medium | 1m 6s | The problem gives us an integer array nums and a value k. We are al… |
| 2893 | Calculate Orders Within Each Interval | 🟡 Medium | 47s | The problem asks us to process an Orders table where each row conta… |
| 2894 | Divisible and Non-divisible Sums Difference | 🟢 Easy | 1m 2s | This problem gives us two positive integers, n and m. We need to ex… |
| 2895 | Minimum Processing Time | 🟡 Medium | 1m 11s | This problem gives us two arrays: - processorTime, where each value… |
| 2896 | Apply Operations to Make Two Strings Equal | 🟡 Medium | 1m 15s | We are given two binary strings, s1 and s2, of the same length n, a… |
| 2897 | Apply Operations on Array to Maximize Sum of Squares | 🔴 Hard | 59s | The problem presents an integer array nums and a positive integer k… |
| 2898 | Maximum Linear Stock Score | 🟡 Medium | 1m 7s | We are given a 1-indexed array prices, where prices[i] represents t… |
| 2899 | Last Visited Integers | 🟢 Easy | 1m 4s | The problem gives us an integer array nums that contains either pos… |
| 2900 | Longest Unequal Adjacent Groups Subsequence I | 🟢 Easy | 1m 21s | We are given two arrays of the same length: - words[i] is a string.… |
| 2901 | Longest Unequal Adjacent Groups Subsequence II | 🟡 Medium | 37s | The problem asks us to select the longest subsequence of words from… |
| 2902 | Count of Sub-Multisets With Bounded Sum | 🔴 Hard | 48s | The problem asks us to count all possible sub-multisets of an array… |
| 2903 | Find Indices With Index and Value Difference I | 🟢 Easy | 1m 5s | The problem asks us to find two indices i and j in the array such t… |
| 2904 | Shortest and Lexicographically Smallest Beautiful String | 🟡 Medium | 1m 1s | We are given a binary string s, meaning the string contains only th… |
| 2905 | Find Indices With Index and Value Difference II | 🟡 Medium | 54s | The problem asks us to find two indices i and j in an integer array… |
| 2906 | Construct Product Matrix | 🟡 Medium | 1m 12s | The problem asks us to construct a new matrix p from a given matrix… |
| 2907 | Maximum Profitable Triplets With Increasing Prices I | 🟡 Medium | 1m 49s | This problem asks us to select exactly three items from a store whi… |
| 2908 | Minimum Sum of Mountain Triplets I | 🟢 Easy | 1m 1s | The problem asks us to find the minimum possible sum of a "mountain… |
| 2909 | Minimum Sum of Mountain Triplets II | 🟡 Medium | 1m 21s | The problem asks us to find three indices (i, j, k) such that the m… |
| 2910 | Minimum Number of Groups to Create a Valid Assignment | 🟡 Medium | 1m 19s | This problem gives us an array of integers representing balls. Ball… |
| 2911 | Minimum Changes to Make K Semi-palindromes | 🔴 Hard | 1m 10s | The problem asks us to partition a given string s into k contiguous… |
| 2912 | Number of Ways to Reach Destination in the Grid | 🔴 Hard | 1m 32s | We are given an n × m grid and two cells: - source = [sx, sy] - des… |
| 2913 | Subarrays Distinct Element Sum of Squares I | 🟢 Easy | 1m 20s | The problem asks us to examine every possible non-empty subarray of… |
| 2914 | Minimum Number of Changes to Make Binary String Beautiful | 🟡 Medium | 1m 10s | You are given a binary string s whose length is guaranteed to be ev… |
| 2915 | Length of the Longest Subsequence That Sums to Target | 🟡 Medium | 1m 26s | The problem gives us an array nums and an integer target. We must f… |
| 2916 | Subarrays Distinct Element Sum of Squares II | 🔴 Hard | 1m 51s | The problem asks us to consider every possible non-empty subarray o… |
| 2917 | Find the K-or of an Array | 🟢 Easy | 1m 20s | This problem introduces a generalized version of the bitwise OR ope… |
| 2918 | Minimum Equal Sum of Two Arrays After Replacing Zeros | 🟡 Medium | 1m 10s | The problem gives us two integer arrays, nums1 and nums2, where som… |
| 2919 | Minimum Increment Operations to Make Array Beautiful | 🟡 Medium | 1m 19s | The problem asks us to transform an input integer array nums into a… |
| 2920 | Maximum Points After Collecting Coins From All Nodes | 🔴 Hard | 1m 30s | We are given a tree with n nodes rooted at node 0. Each node contai… |
| 2921 | Maximum Profitable Triplets With Increasing Prices II | 🔴 Hard | 1m 29s | The problem asks us to select three items from a store such that th… |
| 2922 | Market Analysis III | 🟡 Medium | 1m 22s | The problem asks us to analyze three relational tables: Users, Item… |
| 2923 | Find Champion I | 🟢 Easy | 1m 6s | This problem describes a tournament of n teams, where every pair of… |
| 2924 | Find Champion II | 🟡 Medium | 1m 20s | This problem models a tournament as a directed acyclic graph (DAG).… |
| 2925 | Maximum Score After Applying Operations on a Tree | 🟡 Medium | 1m 23s | The problem gives us an undirected tree with n nodes rooted at node… |
| 2926 | Maximum Balanced Subsequence Sum | 🔴 Hard | 59s | This problem asks us to find the maximum sum of a balanced subseque… |
| 2927 | Distribute Candies Among Children III | 🔴 Hard | 1m 19s | We are given two integers, n and limit. There are exactly three chi… |
| 2928 | Distribute Candies Among Children I | 🟢 Easy | 51s | The problem asks us to calculate the number of ways to distribute n… |
| 2929 | Distribute Candies Among Children II | 🟡 Medium | 56s | The problem asks us to calculate the total number of ways to distri… |
| 2930 | Number of Strings Which Can Be Rearranged to Contain Substring | 🟡 Medium | 54s | The problem asks us to count how many strings of length n made of l… |
| 2931 | Maximum Spending After Buying Items | 🔴 Hard | 1m 27s | We are given an m × n matrix values where each row represents a sho… |
| 2932 | Maximum Strong Pair XOR I | 🟢 Easy | 1m 21s | The problem gives us an integer array nums, and we must choose two … |
| 2933 | High-Access Employees | 🟡 Medium | 2m 22s | The problem gives us a list of employee access records. Each record… |
| 2934 | Minimum Operations to Maximize Last Elements in Arrays | 🟡 Medium | 1m 17s | You are given two arrays, nums1 and nums2, both of the same length … |
| 2935 | Maximum Strong Pair XOR II | 🔴 Hard | 1m 2s | The problem asks us to find the maximum XOR value of a strong pair … |
| 2936 | Number of Equal Numbers Blocks | 🟡 Medium | 1m 3s | The problem is asking us to count the number of maximal contiguous … |
| 2937 | Make Three Strings Equal | 🟢 Easy | 1m 6s | The problem asks us to make three strings s1, s2, and s3 identical … |
| 2938 | Separate Black and White Balls | 🟡 Medium | 55s | The problem asks us to determine the minimum number of adjacent swa… |
| 2939 | Maximum Xor Product | 🟡 Medium | 59s | That will be quite long and detailed given your required structure … |
| 2940 | Find Building Where Alice and Bob Can Meet | 🔴 Hard | 1m 22s | You are given an array heights, where each index represents a build… |
| 2941 | Maximum GCD-Sum of a Subarray | 🔴 Hard | 1m 1s | The problem asks us to find the maximum gcd-sum of a subarray of a … |
| 2942 | Find Words Containing Character | 🟢 Easy | 57s | The problem asks us to process an array of lowercase strings words … |
| 2943 | Maximize Area of Square Hole in Grid | 🟡 Medium | 1m 21s | The grid is formed by n + 2 horizontal bars and m + 2 vertical bars… |
| 2944 | Minimum Number of Coins for Fruits | 🟡 Medium | 1m 32s | This problem asks us to determine the minimum number of coins requi… |
| 2945 | Find Maximum Non-decreasing Array Length | 🔴 Hard | 56s | This problem asks us to determine the maximum length of a non-decre… |
| 2946 | Matrix Similarity After Cyclic Shifts | 🟢 Easy | 1m 9s | This problem asks us to determine whether a matrix remains identica… |
| 2947 | Count Beautiful Substrings I | 🟡 Medium | 1m 9s | We are given a lowercase English string s and a positive integer k.… |
| 2948 | Make Lexicographically Smallest Array by Swapping Elements | 🟡 Medium | 52s | The problem asks us to transform a given array of positive integers… |
| 2949 | Count Beautiful Substrings II | 🔴 Hard | 56s | The problem asks us to find the number of non-empty substrings in a… |
| 2950 | Number of Divisible Substrings | 🟡 Medium | 50s | The problem asks us to analyze a given string word where each lower… |
| 2951 | Find the Peaks | 🟢 Easy | 40s | The problem is asking us to identify all the peaks in a given array… |
| 2952 | Minimum Number of Coins to be Added | 🟡 Medium | 1m 1s | The problem asks us to determine the minimum number of coins we nee… |
| 2953 | Count Complete Substrings | 🔴 Hard | 1m 54s | The problem asks us to count how many substrings of a given string … |
| 2954 | Count the Number of Infection Sequences | 🔴 Hard | 1m 12s | This problem asks us to compute the number of valid infection seque… |
| 2955 | Number of Same-End Substrings | 🟡 Medium | 1m 48s | The problem asks us to compute the number of same-end substrings wi… |
| 2956 | Find Common Elements Between Two Arrays | 🟢 Easy | 1m 4s | This problem asks us to compare two integer arrays and count how ma… |
| 2957 | Remove Adjacent Almost-Equal Characters | 🟡 Medium | 2m 43s | We are given a string word consisting of lowercase English letters.… |
| 2958 | Length of Longest Subarray With at Most K Frequency | 🟡 Medium | 48s | The problem asks us to find the length of the longest contiguous su… |
| 2959 | Number of Possible Sets of Closing Branches | 🔴 Hard | 59s | This problem asks us to determine the number of possible sets of br… |
| 2960 | Count Tested Devices After Test Operations | 🟢 Easy | 52s | This problem asks us to simulate a sequence of device tests based o… |
| 2961 | Double Modular Exponentiation | 🟡 Medium | 1m 7s | The problem gives us a 0-indexed 2D array called variables, where e… |
| 2962 | Count Subarrays Where Max Element Appears at Least K Times | 🟡 Medium | 57s | The problem asks us to count subarrays in an integer array nums whe… |
| 2963 | Count the Number of Good Partitions | 🔴 Hard | 1m 36s | The problem asks us to count the number of ways we can partition a … |
| 2964 | Number of Divisible Triplet Sums | 🟡 Medium | 1m 17s | The problem gives us an integer array nums and an integer d. We mus… |
| 2965 | Find Missing and Repeated Values | 🟢 Easy | 1m 3s | The problem gives us an n x n matrix called grid. Every value in th… |
| 2966 | Divide Array Into Arrays With Max Difference | 🟡 Medium | 55s | The problem asks us to divide an integer array nums of size n (wher… |
| 2967 | Minimum Cost to Make Array Equalindromic | 🟡 Medium | 1m 45s | We are given an integer array nums. We may repeatedly choose any el… |
| 2968 | Apply Operations to Maximize Frequency Score | 🔴 Hard | 1m 19s | This problem asks us to maximize the frequency of the most common v… |
| 2969 | Minimum Number of Coins for Fruits II | 🔴 Hard | 2m 32s | The problem asks us to determine the minimum number of coins requir… |
| 2970 | Count the Number of Incremovable Subarrays I | 🟢 Easy | 49s | The problem asks us to count all subarrays of a given array nums su… |
| 2971 | Find Polygon With the Largest Perimeter | 🟡 Medium | 1m 9s | The problem gives us an array nums containing positive integers. Ea… |
| 2972 | Count the Number of Incremovable Subarrays II | 🔴 Hard | 1m 21s | The problem gives us an array nums of positive integers and asks us… |
| 2973 | Find Number of Coins to Place in Tree Nodes | 🔴 Hard | 52s | The problem gives us a tree with n nodes labeled from 0 to n - 1. T… |
| 2974 | Minimum Number Game | 🟢 Easy | 1m 6s | The problem gives us an integer array nums with an even number of e… |
| 2975 | Maximum Square Area by Removing Fences From a Field | 🟡 Medium | 1m 21s | The field is represented as a large rectangle whose outer boundarie… |
| 2976 | Minimum Cost to Convert String I | 🟡 Medium | 1m 29s | This problem asks us to transform one string into another while min… |
| 2977 | Minimum Cost to Convert String II | 🔴 Hard | 31s | That is a very large, comprehensive request for a Hard problem, wit… |
| 2978 | Symmetric Coordinates | 🟡 Medium | 1m 8s | This problem asks us to identify symmetric coordinate pairs from a … |
| 2979 | Most Expensive Item That Can Not Be Bought | 🟡 Medium | 51s | This problem asks us to determine the largest price that cannot be … |
| 2980 | Check if Bitwise OR Has Trailing Zeros | 🟢 Easy | 52s | The problem asks us to determine whether we can select two or more … |
| 2981 | Find Longest Special Substring That Occurs Thrice I | 🟡 Medium | 1m 21s | The problem asks us to find the longest special substring that appe… |
| 2982 | Find Longest Special Substring That Occurs Thrice II | 🟡 Medium | 1m 4s | The problem asks us to find the maximum length of a special substri… |
| 2983 | Palindrome Rearrangement Queries | 🔴 Hard | 1m 51s | We are given a string s of even length n. For every query, we are a… |
| 2984 | Find Peak Calling Hours for Each City | 🟡 Medium | 51s | The problem is asking us to analyze call records from a Calls table… |
| 2985 | Calculate Compressed Mean | 🟢 Easy | 59s | This problem asks us to compute the average number of items per ord… |
| 2986 | Find Third Transaction | 🟡 Medium | 1m 36s | The problem gives us a Transactions table that stores three pieces … |
| 2987 | Find Expensive Cities | 🟢 Easy | 1m | This problem provides a database table named Listings that contains… |
| 2988 | Manager of the Largest Department | 🟡 Medium | 54s | You included two different problems in one message, and the second … |
| 2989 | Class Performance | 🟡 Medium | 45s | The problem asks us to calculate the difference between the highest… |
| 2990 | Loan Types | 🟢 Easy | 54s | The problem requires identifying users who have taken both a "Refin… |
| 2991 | Top Three Wineries | 🔴 Hard | 54s | The problem asks us to determine the top three wineries in each cou… |
| 2992 | Number of Self-Divisible Permutations | 🟡 Medium | 1m 17s | The problem asks us to count how many permutations of the numbers 1… |
| 2993 | Friday Purchases I | 🟡 Medium | 56s | The problem asks us to compute the total amount spent on Fridays in… |
| 2994 | Friday Purchases II | 🔴 Hard | 49s | The problem requires calculating the total spending by users on eac… |
| 2995 | Viewers Turned Streamers | 🔴 Hard | 2m 52s | We are given a database table called Sessions, where each row repre… |
| 2996 | Smallest Missing Integer Greater Than Sequential Prefix Sum | 🟢 Easy | 1m 5s | The problem asks us to find the smallest missing integer in the arr… |
| 2997 | Minimum Number of Operations to Make Array XOR Equal to K | 🟡 Medium | 59s | This problem asks us to transform an array so that the bitwise XOR … |
| 2998 | Minimum Number of Operations to Make X and Y Equal | 🟡 Medium | 1m 3s | The problem asks us to transform an integer x into another integer … |
| 2999 | Count the Number of Powerful Integers | 🔴 Hard | 43s | The problem asks us to count all integers within a given range [sta… |
| 3000 | Maximum Area of Longest Diagonal Rectangle | 🟢 Easy | 57s | The input consists of a 2D array dimensions, where each element rep… |
| 3001 | Minimum Moves to Capture The Queen | 🟡 Medium | 1m 11s | This problem gives us the positions of three chess pieces on a stan… |
| 3002 | Maximum Size of a Set After Removals | 🟡 Medium | 57s | The problem is asking us to maximize the number of unique elements … |
| 3003 | Maximize the Number of Partitions After Operations | 🔴 Hard | 1m 9s | The problem asks us to take a string s and an integer k and compute… |
| 3004 | Maximum Subtree of the Same Color | 🟡 Medium | 1m 26s | We are given a tree with n nodes labeled from 0 to n - 1. The tree … |
| 3005 | Count Elements With Maximum Frequency | 🟢 Easy | 1m 9s | The problem gives us an integer array nums, where every value is po… |
| 3006 | Find Beautiful Indices in the Given Array I | 🟡 Medium | 1m 16s | The problem gives us a string s and two smaller strings, a and b. W… |
| 3007 | Maximum Number That Sum of the Prices Is Less Than or Equal to K | 🟡 Medium | 56s | The problem asks us to find the largest integer num such that the a… |
| 3008 | Find Beautiful Indices in the Given Array II | 🔴 Hard | 1m 31s | This problem asks us to find every starting index where the substri… |
| 3009 | Maximum Number of Intersections on the Chart | 🔴 Hard | 1m 15s | I can provide the full guide, but I want to avoid giving you a tech… |
| 3010 | Divide an Array Into Subarrays With Minimum Cost I | 🟢 Easy | 1m 18s | The problem asks us to split a given array nums into exactly three … |
| 3011 | Find if Array Can Be Sorted | 🟡 Medium | 1m 29s | Here’s the complete, detailed technical solution guide for LeetCode… |
| 3012 | Minimize Length of Array Using Operations | 🟡 Medium | 1m 12s | The problem gives us a 0-indexed array of positive integers and ask… |
| 3013 | Divide an Array Into Subarrays With Minimum Cost II | 🔴 Hard | 2m 57s | The problem asks us to divide a given array nums into k contiguous … |
| 3014 | Minimum Number of Pushes to Type Word I | 🟢 Easy | 2m 50s | We are given a word consisting of distinct lowercase English letter… |
| 3015 | Count the Number of Houses at a Certain Distance I | 🟡 Medium | 2m 45s | Here is a complete technical solution guide for LeetCode 3015 - Cou… |
| 3016 | Minimum Number of Pushes to Type Word II | 🟡 Medium | 2m | This problem asks us to redesign a telephone keypad so that typing … |
| 3017 | Count the Number of Houses at a Certain Distance II | 🔴 Hard | 1m 51s | We are given a graph of n houses arranged in a straight line. Norma… |
| 3018 | Maximum Number of Removal Queries That Can Be Processed I | 🔴 Hard | 1m 29s | The problem asks us to process a sequence of removal queries on an … |
| 3019 | Number of Changing Keys | 🟢 Easy | 1m 6s | The problem asks us to determine how many times a user changes keys… |
| 3020 | Find the Maximum Number of Elements in Subset | 🟡 Medium | 2m 11s | The problem gives us an array of positive integers and asks us to c… |
| 3021 | Alice and Bob Playing Flower Game | 🟡 Medium | 1m 5s | The game consists of two flower lanes containing x and y flowers re… |
| 3022 | Minimize OR of Remaining Elements Using Operations | 🔴 Hard | 56s | The problem presents an array nums of non-negative integers and an … |
| 3023 | Find Pattern in Infinite Stream I | 🟡 Medium | 1m | The problem asks us to detect the first occurrence of a given binar… |
| 3024 | Type of Triangle | 🟢 Easy | 1m 8s | The problem gives an integer array nums of length 3, where each val… |
| 3025 | Find the Number of Ways to Place People I | 🟡 Medium | 1m 50s | The problem gives us a list of distinct points on a 2D plane. Each … |
| 3026 | Maximum Good Subarray Sum | 🟡 Medium | 1m 21s | The problem asks us to find the maximum possible sum of a contiguou… |
| 3027 | Find the Number of Ways to Place People II | 🔴 Hard | 1m | The problem asks us to determine how many valid placements of Alice… |
| 3028 | Ant on the Boundary | 🟢 Easy | 3m 23s | The problem describes an ant moving along a one-dimensional infinit… |
| 3029 | Minimum Time to Revert Word to Initial State I | 🟡 Medium | 1m 29s | The problem gives us a string word and an integer k. Every second, … |
| 3030 | Find the Grid of Region Average | 🟡 Medium | 1m 44s | The problem gives us a grayscale image represented as an m x n matr… |
| 3031 | Minimum Time to Revert Word to Initial State II | 🔴 Hard | 1m 27s | The problem requires simulating a repetitive transformation on a st… |
| 3032 | Count Numbers With Unique Digits II | 🟢 Easy | 1m 29s | The problem asks us to count how many integers in the inclusive ran… |
| 3033 | Modify the Matrix | 🟢 Easy | 1m 22s | The problem is asking us to take a given m x n matrix, potentially … |
| 3034 | Number of Subarrays That Match a Pattern I | 🟡 Medium | 1m 36s | The problem asks us to count how many contiguous subarrays of nums … |
| 3035 | Maximum Palindromes After Operations | 🟡 Medium | 1m 43s | This problem gives us an array of strings, words, and allows us to … |
| 3036 | Number of Subarrays That Match a Pattern II | 🔴 Hard | 1m 13s | This guide will be very long, likely exceeding a single message cle… |
| 3037 | Find Pattern in Infinite Stream II | 🔴 Hard | 1m 16s | The problem requires us to detect the first occurrence of a binary … |
| 3038 | Maximum Number of Operations With the Same Score I | 🟢 Easy | 1m 4s | The problem asks us to repeatedly perform an operation on an intege… |
| 3039 | Apply Operations to Make String Empty | 🟡 Medium | 1m 9s | The problem gives us a lowercase string s and defines a repeated op… |
| 3040 | Maximum Number of Operations With the Same Score II | 🟡 Medium | 52s | This problem asks us to determine the maximum number of operations … |
| 3041 | Maximize Consecutive Elements in an Array After Modification | 🔴 Hard | 46s | The problem is asking us to maximize the number of consecutive inte… |
| 3042 | Count Prefix and Suffix Pairs I | 🟢 Easy | 1m 2s | The problem gives us an array of strings called words. For every pa… |
| 3043 | Find the Length of the Longest Common Prefix | 🟡 Medium | 1m 24s | We are given two arrays of positive integers, arr1 and arr2. The ta… |
| 3044 | Most Frequent Prime | 🟡 Medium | 59s | The problem asks us to traverse a m x n integer matrix and generate… |
| 3045 | Count Prefix and Suffix Pairs II | 🔴 Hard | 55s | The problem asks us to count the number of ordered pairs (i, j) in … |
| 3046 | Split the Array | 🟢 Easy | 1m 6s | The problem asks us to determine if an even-length array can be spl… |
| 3047 | Find the Largest Area of Square Inside Two Rectangles | 🟡 Medium | 1m 3s | The problem asks us to find the largest square that can fit inside … |
| 3048 | Earliest Second to Mark Indices I | 🟡 Medium | 1m 21s | We are given two 1-indexed arrays: - nums, where nums[i] represents… |
| 3049 | Earliest Second to Mark Indices II | 🔴 Hard | 1m 29s | We are given two arrays: - nums, where nums[i] represents the initi… |
| 3050 | Pizza Toppings Cost Analysis | 🟡 Medium | 42s | This problem asks us to compute the total cost of all possible thre… |
| 3051 | Find Candidates for Data Scientist Position | 🟢 Easy | 48s | You included two different LeetCode problems with conflicting templ… |
| 3052 | Maximize Items | 🔴 Hard | 1m 49s | The problem requires determining how many items can be stored in a … |
| 3053 | Classifying Triangles by Lengths | 🟢 Easy | 1m 21s | The problem requires classifying triangles based on the lengths of … |
| 3054 | Binary Tree Nodes | 🟡 Medium | 1m 2s | This problem asks us to classify nodes in a binary tree based on th… |
| 3055 | Top Percentile Fraud | 🟡 Medium | 47s | This problem asks us to identify the top 5 percentile of insurance … |
| 3056 | Snaps Analysis | 🟡 Medium | 51s | The problem requires calculating the percentage of time each age gr… |
| 3057 | Employees Project Allocation | 🔴 Hard | 1m 24s | This problem asks us to identify employees whose assigned project w… |
| 3058 | Friends With No Mutual Friends | 🟡 Medium | 1m 19s | The Friends table represents an undirected friendship graph. Each r… |
| 3059 | Find All Unique Email Domains | 🟢 Easy | 1m 15s | This problem asks us to analyze email addresses stored in a databas… |
| 3060 | User Activities within Time Bounds | 🔴 Hard | 1m 25s | The Sessions table stores information about user activity sessions … |
| 3061 | Calculate Trapping Rain Water | 🔴 Hard | 1m 26s | This problem asks us to compute how much rainwater can be trapped b… |
| 3062 | Winner of the Linked List Game | 🟢 Easy | 1m 6s | The problem gives us the head of a singly linked list whose length … |
| 3063 | Linked List Frequency | 🟢 Easy | 1m | This problem asks us to analyze a singly-linked list of integers an… |
| 3064 | Guess the Number Using Bitwise Questions I | 🟡 Medium | 48s | The problem presents an interactive scenario where there is a hidde… |
| 3065 | Minimum Operations to Exceed Threshold Value I | 🟢 Easy | 41s | The problem asks us to find the minimum number of operations needed… |
| 3066 | Minimum Operations to Exceed Threshold Value II | 🟡 Medium | 42s | This problem asks us to repeatedly combine the two smallest element… |
| 3067 | Count Pairs of Connectable Servers in a Weighted Tree Network | 🟡 Medium | 1m 6s | The problem gives us a weighted tree representing servers connected… |
| 3068 | Find the Maximum Sum of Node Values | 🔴 Hard | 1m 10s | You are given a tree with n nodes. Every node has a value stored in… |
| 3069 | Distribute Elements Into Two Arrays I | 🟢 Easy | 52s | The problem is asking us to simulate a process where we distribute … |
| 3070 | Count Submatrices with Top-Left Element and Sum Less Than k | 🟡 Medium | 1m 15s | The problem gives us a 2D integer matrix called grid and an integer… |
| 3071 | Minimum Operations to Write the Letter Y on a Grid | 🟡 Medium | 1m 4s | The problem asks us to determine the minimum number of operations t… |
| 3072 | Distribute Elements Into Two Arrays II | 🔴 Hard | 55s | This problem requires simulating the distribution of elements from … |
| 3073 | Maximum Increasing Triplet Value | 🟡 Medium | 1m 17s | We are given an integer array nums, and we must find three indices … |
| 3074 | Apple Redistribution into Boxes | 🟢 Easy | 42s | The problem asks us to redistribute a collection of apple packs int… |
| 3075 | Maximize Happiness of Selected Children | 🟡 Medium | 51s | The problem gives us an array happiness representing the happiness … |
| 3076 | Shortest Uncommon Substring in an Array | 🟡 Medium | 53s | The problem asks us to find, for each string in a given array, the … |
| 3077 | Maximum Strength of K Disjoint Subarrays | 🔴 Hard | 1m 10s | The problem is asking us to select exactly k disjoint subarrays fro… |
| 3078 | Match Alphanumerical Pattern in Matrix I | 🟡 Medium | 1m 35s | This problem asks us to search for a rectangular submatrix inside a… |
| 3079 | Find the Sum of Encrypted Integers | 🟢 Easy | 49s | The problem provides an array of positive integers nums and asks us… |
| 3080 | Mark Elements on Array by Performing Queries | 🟡 Medium | 38s | Here’s a fully detailed technical solution guide for LeetCode 3080 … |
| 3081 | Replace Question Marks in String to Minimize Its Value | 🟡 Medium | 1m 11s | The problem gives us a string s containing lowercase English letter… |
| 3082 | Find the Sum of the Power of All Subsequences | 🔴 Hard | 1m 15s | You are given an array nums and an integer k. For every subsequence… |
| 3083 | Existence of a Substring in a String and Its Reverse | 🟢 Easy | 57s | This is a Type B, “Prove that” problem. The statement to prove is: … |
| 3084 | Count Substrings Starting and Ending with Given Character | 🟡 Medium | 1m 10s | The problem gives us a string s and a character c. We must count ho… |
| 3085 | Minimum Deletions to Make String K-Special | 🟡 Medium | 57s | The problem asks us to transform a given string word into a k-speci… |
| 3086 | Minimum Moves to Pick K Ones | 🔴 Hard | 1m 3s | The reviewer identified a sign error in the swap argument, so the f… |
| 3087 | Find Trending Hashtags | 🟡 Medium | 1m 10s | The problem asks us to find the top 3 trending hashtags from a tabl… |
| 3088 | Make String Anti-palindrome | 🔴 Hard | 1m 25s | We are given a string s of even length, and we may swap any two cha… |
| 3089 | Find Bursty Behavior | 🟡 Medium | 53s | The problem asks us to identify users who demonstrate "bursty behav… |
| 3090 | Maximum Length Substring With Two Occurrences | 🟢 Easy | 58s | The problem is asking for the maximum length of a substring in a gi… |
| 3091 | Apply Operations to Make Sum of Array Greater Than or Equal to k | 🟡 Medium | 1m 15s | The problem gives us a single positive integer k. We start with an … |
| 3092 | Most Frequent IDs | 🟡 Medium | 50s | The problem asks us to maintain a collection of IDs that is updated… |
| 3093 | Longest Common Suffix Queries | 🔴 Hard | 1m 22s | The problem asks us to process a set of suffix matching queries eff… |
| 3094 | Guess the Number Using Bitwise Questions II | 🟡 Medium | 2m 24s | Before I write the full guide, I want to confirm one detail: for Le… |
| 3095 | Shortest Subarray With OR at Least K I | 🟢 Easy | 1m 7s | The problem asks us to find the shortest subarray within a given ar… |
| 3096 | Minimum Levels to Gain More Points | 🟡 Medium | 1m 1s | This problem is asking us to determine the minimum number of levels… |
| 3097 | Shortest Subarray With OR at Least K II | 🟡 Medium | 1m 28s | This problem asks us to find the smallest non-empty contiguous suba… |
| 3098 | Find the Sum of Subsequence Powers | 🔴 Hard | 54s | The problem asks us to compute the sum of powers of all subsequence… |
| 3099 | Harshad Number | 🟢 Easy | 56s | The problem asks us to determine whether a given integer is a Harsh… |
| 3100 | Water Bottles II | 🟡 Medium | 1m 20s | This problem models a bottle exchange process where the exchange ra… |
| 3101 | Count Alternating Subarrays | 🟡 Medium | 1m 51s | The problem gives us a binary array nums, meaning every element is … |
| 3102 | Minimize Manhattan Distances | 🔴 Hard | 1m 41s | The problem asks us to minimize the maximum Manhattan distance betw… |
| 3103 | Find Trending Hashtags II | 🔴 Hard | 1m 38s | The problem gives us a database table named Tweets, where each row … |
| 3104 | Find Longest Self-Contained Substring | 🔴 Hard | 1m 50s | The problem asks us to find the longest self-contained substring in… |
| 3105 | Longest Strictly Increasing or Strictly Decreasing Subarray | 🟢 Easy | 1m 59s | The problem gives us an integer array nums and asks us to find the … |
| 3106 | Lexicographically Smallest String After Operations With Constraint | 🟡 Medium | 1m 25s | This problem asks us to transform a given string s into another str… |
| 3107 | Minimum Operations to Make Median of Array Equal to K | 🟡 Medium | 1m 34s | The problem asks us to transform an integer array so that its media… |
| 3108 | Minimum Cost Walk in Weighted Graph | 🔴 Hard | 1m 19s | This problem gives us an undirected weighted graph with n vertices … |
| 3109 | Find the Index of Permutation | 🟡 Medium | 1m 20s | The problem gives us a permutation perm of the integers [1, 2, ...,… |
| 3110 | Score of a String | 🟢 Easy | 59s | This problem asks us to compute the score of a string, where the sc… |
| 3111 | Minimum Rectangles to Cover Points | 🟡 Medium | 1m 13s | The problem gives us a collection of 2D points, where each point is… |
| 3112 | Minimum Time to Visit Disappearing Nodes | 🟡 Medium | 1m 1s | The problem describes an undirected weighted graph with n vertices,… |
| 3113 | Find the Number of Subarrays Where Boundary Elements Are Maximum | 🔴 Hard | 1m 8s | We are given an array nums of positive integers. We need to count h… |
| 3114 | Latest Time You Can Obtain After Replacing Characters | 🟢 Easy | 1m 13s | The problem gives us a string representing a time in 12-hour format… |
| 3115 | Maximum Prime Difference | 🟡 Medium | 1m 13s | The problem gives us an integer array nums, and we need to find the… |
| 3116 | Kth Smallest Amount With Single Denomination Combination | 🔴 Hard | 1m 2s | The problem asks us to determine the kth smallest amount that can b… |
| 3117 | Minimum Sum of Values by Dividing Array | 🔴 Hard | 1m 4s | This problem asks us to partition an array nums into exactly m cont… |
| 3118 | Friday Purchase III | 🟡 Medium | 54s | This problem asks us to calculate the total amount of money spent b… |
| 3119 | Maximum Number of Potholes That Can Be Fixed | 🟡 Medium | 1m 13s | We are given a road represented as a string containing only two cha… |
| 3120 | Count the Number of Special Characters I | 🟢 Easy | 46s | The problem asks us to count the number of special characters in a … |
| 3121 | Count the Number of Special Characters II | 🟡 Medium | 1m 12s | The problem gives us a string word containing uppercase and lowerca… |
| 3122 | Minimum Number of Operations to Satisfy Conditions | 🟡 Medium | 1m 1s | The problem presents a two-dimensional matrix grid of size m x n wi… |
| 3123 | Find Edges in Shortest Paths | 🔴 Hard | 1m 59s | The problem gives us an undirected weighted graph with n nodes and … |
| 3124 | Find Longest Calls | 🟡 Medium | 1m 26s | This problem asks us to analyze phone call records stored across tw… |
| 3125 | Maximum Number That Makes Result of Bitwise AND Zero | 🟡 Medium | 1m 26s | The problem asks us to find the largest integer x such that: - x <=… |
| 3126 | Server Utilization Time | 🟡 Medium | 1m 27s | This problem provides a table named Servers that records status cha… |
| 3127 | Make a Square with the Same Color | 🟢 Easy | 1m 13s | This problem gives us a fixed 3 x 3 grid containing only two possib… |
| 3128 | Right Triangles | 🟡 Medium | 1m 21s | The problem gives us a binary matrix grid, where each cell contains… |
| 3129 | Find All Possible Stable Binary Arrays I | 🟡 Medium | 1m 26s | In this problem, we need to count how many binary arrays can be for… |
| 3130 | Find All Possible Stable Binary Arrays II | 🔴 Hard | 1m 23s | The problem gives us three integers: - zero, the exact number of 0s… |
| 3131 | Find the Integer Added to Array I | 🟢 Easy | 1m 1s | The problem gives us two integer arrays, nums1 and nums2, which hav… |
| 3132 | Find the Integer Added to Array II | 🟡 Medium | 1m 16s | We are given two integer arrays, nums1 and nums2. The array nums2 w… |
| 3133 | Minimum Array End | 🟡 Medium | 1m 11s | The problem asks us to construct a strictly increasing array nums o… |
| 3134 | Find the Median of the Uniqueness Array | 🔴 Hard | 1m 20s | The problem defines a special array called the uniqueness array. Fo… |
| 3135 | Equalize Strings by Adding or Removing Characters at Ends | 🟡 Medium | 1m 20s | The problem gives us two strings, initial and target. We want to tr… |
| 3136 | Valid Word | 🟢 Easy | 1m 13s | The problem asks us to determine whether a given string qualifies a… |
| 3137 | Minimum Number of Operations to Make Word K-Periodic | 🟡 Medium | 1m | The problem asks us to transform a given string word of length n in… |
| 3138 | Minimum Length of Anagram Concatenation | 🟡 Medium | 1m 15s | The problem gives us a string s that was formed by concatenating se… |
| 3139 | Minimum Cost to Equalize Array | 🔴 Hard | 58s | This problem asks us to determine the minimum cost to make all elem… |
| 3140 | Consecutive Available Seats II | 🟡 Medium | 1m 43s | This problem asks us to analyze a cinema seating table and identify… |
| 3141 | Maximum Hamming Distances | 🔴 Hard | 54s | The problem asks us to compute the maximum Hamming distance for eac… |
| 3142 | Check if Grid Satisfies Conditions | 🟢 Easy | 1m 9s | The problem gives us a two dimensional matrix called grid with m ro… |
| 3143 | Maximum Points Inside the Square | 🟡 Medium | 1m 10s | The problem asks us to find the maximum number of points that can b… |
| 3144 | Minimum Substring Partition of Equal Character Frequency | 🟡 Medium | 1m 24s | In this problem, we are given a lowercase English string s, and we … |
| 3145 | Find Products of Elements of Big Array | 🔴 Hard | 59s | The problem asks us to work with a conceptual infinite array called… |
| 3146 | Permutation Difference between Two Strings | 🟢 Easy | 54s | The problem asks us to compute the permutation difference between t… |
| 3147 | Taking Maximum Energy From the Mystic Dungeon | 🟡 Medium | 1m 5s | The problem asks us to maximize the total energy gained from a sequ… |
| 3148 | Maximum Difference Score in a Grid | 🟡 Medium | 1m 42s | The problem gives us an m x n matrix called grid, where every cell … |
| 3149 | Find the Minimum Cost Array Permutation | 🔴 Hard | 51s | The problem presents an array nums of length n that is a permutatio… |
| 3150 | Invalid Tweets II | 🟢 Easy | 1m 10s | The problem gives us a database table named Tweets with two columns… |
| 3151 | Special Array I | 🟢 Easy | 1m 2s | The problem asks us to determine whether a given integer array is "… |
| 3152 | Special Array II | 🟡 Medium | 1m 22s | We are given an integer array nums and several queries. Each query … |
| 3153 | Sum of Digit Differences of All Pairs | 🟡 Medium | 1m 18s | The problem asks us to compute the total digit difference across ev… |
| 3154 | Find Number of Ways to Reach the K-th Stair | 🔴 Hard | 1m 8s | Let's dive into a comprehensive solution guide for LeetCode 3154 - … |
| 3155 | Maximum Number of Upgradable Servers | 🟡 Medium | 1m 23s | The problem requires calculating the maximum number of servers that… |
| 3156 | Employee Task Duration and Concurrent Tasks | 🔴 Hard | 1m 38s | The problem gives us a table named Tasks, where each row represents… |
| 3157 | Find the Level of Tree with Minimum Sum | 🟡 Medium | 1m 31s | The problem gives us the root of a binary tree, where every node co… |
| 3158 | Find the XOR of Numbers Which Appear Twice | 🟢 Easy | 47s | The problem asks us to find the XOR of all numbers in an array nums… |
| 3159 | Find Occurrences of an Element in an Array | 🟡 Medium | 1m 11s | The problem gives us three inputs: - An integer array nums - An int… |
| 3160 | Find the Number of Distinct Colors Among the Balls | 🟡 Medium | 1m 23s | The problem gives us limit + 1 balls labeled from 0 to limit. Initi… |
| 3161 | Block Placement Queries | 🔴 Hard | 1m 11s | The problem involves simulating operations on an infinite number li… |
| 3162 | Find the Number of Good Pairs I | 🟢 Easy | 1m 19s | The problem gives us two integer arrays, nums1 and nums2, along wit… |
| 3163 | String Compression III | 🟡 Medium | 1m 11s | The problem asks us to implement a specialized string compression a… |
| 3164 | Find the Number of Good Pairs II | 🟡 Medium | 1m 18s | We are given two integer arrays, nums1 and nums2, along with a posi… |
| 3165 | Maximum Sum of Subsequence With Non-adjacent Elements | 🔴 Hard | 1m 31s | This problem asks us to process a sequence of update queries on an … |
| 3166 | Calculate Parking Fees and Duration | 🟡 Medium | 1m 18s | This problem asks us to analyze parking transaction records and com… |
| 3167 | Better Compression of String | 🟡 Medium | 1m 19s | The problem gives us a compressed string where every character is i… |
| 3168 | Minimum Number of Chairs in a Waiting Room | 🟢 Easy | 1m 13s | The problem gives us a string s that represents events happening in… |
| 3169 | Count Days Without Meetings | 🟡 Medium | 1m 22s | The problem gives us a total number of working days, numbered from … |
| 3170 | Lexicographically Minimum String After Removing Stars | 🟡 Medium | 48s | The problem asks us to transform a string s that may contain the ''… |
| 3171 | Find Subarray With Bitwise OR Closest to K | 🔴 Hard | 58s | The problem asks us to find a subarray within a given array nums su… |
| 3172 | Second Day Verification | 🟢 Easy | 52s | The problem requires identifying users who verified their signup ex… |
| 3173 | Bitwise OR of Adjacent Elements | 🟢 Easy | 1m 6s | The problem gives us an integer array nums of length n. We must cre… |
| 3174 | Clear Digits | 🟢 Easy | 1m 1s | In this problem, we are given a string s that contains lowercase En… |
| 3175 | Find The First Player to win K Games in a Row | 🟡 Medium | 1m 6s | The problem describes a competition where players stand in a queue … |
| 3176 | Find the Maximum Length of a Good Subsequence I | 🟡 Medium | 1m 24s | We are given an integer array nums and a non-negative integer k. We… |
| 3177 | Find the Maximum Length of a Good Subsequence II | 🔴 Hard | 1m 23s | We are given an integer array nums and a non-negative integer k. We… |
| 3178 | Find the Child Who Has the Ball After K Seconds | 🟢 Easy | 52s | The problem asks us to simulate a game in which n children, numbere… |
| 3179 | Find the N-th Value After K Seconds | 🟡 Medium | 1m 1s | The problem requires computing the value of the last element in an … |
| 3180 | Maximum Total Reward Using Operations I | 🟡 Medium | 1m 2s | The problem asks us to maximize a running total reward by selecting… |
| 3181 | Maximum Total Reward Using Operations II | 🔴 Hard | 1m 29s | The problem gives us an array rewardValues, where each element repr… |
| 3182 | Find Top Scoring Students | 🟡 Medium | 1m 30s | The problem gives us three relational database tables: - students, … |
| 3183 | The Number of Ways to Make the Sum | 🟡 Medium | 1m 5s | The problem asks us to determine the number of distinct ways to sum… |
| 3184 | Count Pairs That Form a Complete Day I | 🟢 Easy | 56s | The problem asks us to find all pairs of indices (i, j) in an array… |
| 3185 | Count Pairs That Form a Complete Day II | 🟡 Medium | 46s | The problem asks us to count pairs of elements in an integer array … |
| 3186 | Maximum Total Damage With Spell Casting | 🟡 Medium | 1m 22s | The problem gives us an array power, where each element represents … |
| 3187 | Peaks in Array | 🔴 Hard | 1m 29s | The problem asks us to process two kinds of operations on an intege… |
| 3188 | Find Top Scoring Students II | 🔴 Hard | 1m 18s | This problem asks us to identify students who satisfy a combination… |
| 3189 | Minimum Moves to Get a Peaceful Board | 🟡 Medium | 1m 7s | In this problem, we are given the positions of n rooks placed on an… |
| 3190 | Find Minimum Operations to Make All Elements Divisible by Three | 🟢 Easy | 1m 12s | The problem gives us an integer array nums. In one operation, we ar… |
| 3191 | Minimum Operations to Make Binary Array Elements Equal to One I | 🟡 Medium | 1m 33s | We are given a binary array nums consisting only of 0s and 1s. We a… |
| 3192 | Minimum Operations to Make Binary Array Elements Equal to One II | 🟡 Medium | 51s | This problem asks us to take a binary array nums, which contains on… |
| 3193 | Count the Number of Inversions | 🔴 Hard | 1m 33s | The problem asks us to count how many permutations of the numbers [… |
| 3194 | Minimum Average of Smallest and Largest Elements | 🟢 Easy | 1m 3s | The problem gives us an even-length integer array nums. We repeated… |
| 3195 | Find the Minimum Area to Cover All Ones I | 🟡 Medium | 58s | The problem asks us to find the smallest rectangle that covers all … |
| 3196 | Maximize Total Cost of Alternating Subarrays | 🟡 Medium | 3m 29s | The problem gives us an integer array nums, and we must divide the … |
| 3197 | Find the Minimum Area to Cover All Ones II | 🔴 Hard | 1m 31s | The problem gives us a binary matrix grid, where each cell contains… |
| 3198 | Find Cities in Each State | 🟢 Easy | 1m 31s | This problem provides a database table named cities, where each row… |
| 3199 | Count Triplets with Even XOR Set Bits I | 🟢 Easy | 1m 18s | The problem gives us three integer arrays, a, b, and c. We must cou… |
| 3200 | Maximum Height of a Triangle | 🟢 Easy | 1m 13s | The problem gives us two integers, red and blue, representing the n… |
| 3201 | Find the Maximum Length of Valid Subsequence I | 🟡 Medium | 1m 41s | The problem asks us to find the longest subsequence in an integer a… |
| 3202 | Find the Maximum Length of Valid Subsequence II | 🟡 Medium | 54s | This problem asks us to find the length of the longest subsequence … |
| 3203 | Find Minimum Diameter After Merging Two Trees | 🔴 Hard | 2m 13s | We are given two separate undirected trees. The first tree contains… |
| 3204 | Bitwise User Permissions Analysis | 🟡 Medium | 55s | The problem is asking us to analyze a table of user permissions whe… |
| 3205 | Maximum Array Hopping Score I | 🟡 Medium | 1m 32s | The problem asks us to calculate the maximum score achievable by ho… |
| 3206 | Alternating Groups I | 🟢 Easy | 1m 9s | The problem gives us a circular array called colors, where each ele… |
| 3207 | Maximum Points After Enemy Battles | 🟡 Medium | 1m 8s | The problem gives us a list of enemies, where each enemy has an ass… |
| 3208 | Alternating Groups II | 🟡 Medium | 1m 12s | The problem gives us a circular array called colors, where each val… |
| 3209 | Number of Subarrays With AND Value of K | 🔴 Hard | 1m 17s | The problem asks us to count how many contiguous subarrays of nums … |
| 3210 | Find the Encrypted String | 🟢 Easy | 51s | The problem asks us to implement a custom string encryption algorit… |
| 3211 | Generate Binary Strings Without Adjacent Zeros | 🟡 Medium | 1m 10s | The problem asks us to generate every binary string of length n suc… |
| 3212 | Count Submatrices With Equal Frequency of X and Y | 🟡 Medium | 50s | The problem asks us to count submatrices within a given 2D characte… |
| 3213 | Construct String with Minimum Cost | 🔴 Hard | 56s | The problem asks us to construct a target string target by repeated… |
| 3214 | Year on Year Growth Rate | 🔴 Hard | 1m 22s | This problem asks us to compute the year-on-year, often abbreviated… |
| 3215 | Count Triplets with Even XOR Set Bits II | 🟡 Medium | 54s | The problem asks us to count the number of triplets (a[i], b[j], c[… |
| 3216 | Lexicographically Smallest String After a Swap | 🟢 Easy | 51s | The problem requires transforming a string of digits into its lexic… |
| 3217 | Delete Nodes From Linked List Present in Array | 🟡 Medium | 57s | This problem asks us to modify a singly linked list by removing all… |
| 3218 | Minimum Cost for Cutting Cake I | 🟡 Medium | 1m 15s | The problem gives us an m x n rectangular cake and asks us to cut i… |
| 3219 | Minimum Cost for Cutting Cake II | 🔴 Hard | 1m 27s | We are given an m x n rectangular cake and need to divide it comple… |
| 3220 | Odd and Even Transactions | 🟡 Medium | 1m 22s | The problem provides a database table named transactions, where eac… |
| 3221 | Maximum Array Hopping Score II | 🟡 Medium | 1m 30s | The problem gives us an integer array nums, where each position rep… |
| 3222 | Find the Winning Player in Coin Game | 🟢 Easy | 1m 17s | The game gives us two types of coins: - x coins worth 75 - y coins … |
| 3223 | Minimum Length of String After Operations | 🟡 Medium | 1m 11s | The problem asks us to repeatedly remove characters from a string b… |
| 3224 | Minimum Array Changes to Make Differences Equal | 🟡 Medium | 45s | The problem gives us an integer array nums of even length n and an … |
| 3225 | Maximum Score From Grid Operations | 🔴 Hard | 1m 2s | This problem presents a 2D square matrix grid of size n x n where e… |
| 3226 | Number of Bit Changes to Make Two Integers Equal | 🟢 Easy | 1m 39s | The problem gives us two positive integers, n and k. We are allowed… |
| 3227 | Vowels Game in a String | 🟡 Medium | 1m | The problem describes a two-player game between Alice and Bob playe… |
| 3228 | Maximum Number of Operations to Move Ones to the End | 🟡 Medium | 1m 28s | The problem gives us a binary string s, consisting only of characte… |
| 3229 | Minimum Operations to Make Array Equal to Target | 🔴 Hard | 1m 43s | The problem gives us two arrays, nums and target, both of the same … |
| 3230 | Customer Purchasing Behavior Analysis | 🟡 Medium | 1m 16s | The problem asks us to analyze customer purchasing behavior using t… |
| 3231 | Minimum Number of Increasing Subsequence to Be Removed | 🔴 Hard | 2m 4s | We are given an integer array nums. In one operation, we may choose… |
| 3232 | Find if Digit Game Can Be Won | 🟢 Easy | 1m 47s | The problem presents a simple two-player game between Alice and Bob… |
| 3233 | Find the Count of Numbers Which Are Not Special | 🟡 Medium | 2m 10s | The problem asks us to count how many integers in the inclusive ran… |
| 3234 | Count the Number of Substrings With Dominant Ones | 🟡 Medium | 2m 56s | We are given a binary string s, containing only '0' and '1'. We mus… |
| 3235 | Check if the Rectangle Corner Is Reachable | 🔴 Hard | 2m 28s | The problem asks whether there is a clear, unobstructed path from t… |
| 3236 | CEO Subordinate Hierarchy | 🔴 Hard | 47s | This problem requires building a hierarchical view of a company's e… |
| 3237 | Alt and Tab Simulation | 🟡 Medium | 2m 18s | The problem asks us to simulate the behavior of switching between o… |
| 3238 | Find the Number of Winning Players | 🟢 Easy | 2m 9s | The problem gives us n players and a list called pick, where each e… |
| 3239 | Minimum Number of Flips to Make Binary Grid Palindromic I | 🟡 Medium | 1m 26s | You are given a binary matrix grid with m rows and n columns. Every… |
| 3240 | Minimum Number of Flips to Make Binary Grid Palindromic II | 🟡 Medium | 1m 59s | We are given a binary matrix grid with m rows and n columns. Every … |
| 3241 | Time Taken to Mark All Nodes | 🔴 Hard | 1m 41s | We are given an undirected tree with n nodes. A tree is a connected… |
| 3242 | Design Neighbor Sum Service | 🟢 Easy | 3m 28s | The problem asks us to design a service that works on a square matr… |
| 3243 | Shortest Distance After Road Addition Queries I | 🟡 Medium | 1m 15s | We are given n cities labeled from 0 to n - 1. Initially, the graph… |
| 3244 | Shortest Distance After Road Addition Queries II | 🔴 Hard | 59s | The problem presents a sequence of n cities numbered from 0 to n - … |
| 3245 | Alternating Groups III | 🔴 Hard | 1m 45s | We are given a circular array called colors, where each element is … |
| 3246 | Premier League Table Ranking | 🟢 Easy | 1m 32s | This problem asks us to generate a league standings table from a da… |
| 3247 | Number of Subsequences with Odd Sum | 🟡 Medium | 1m 49s | The problem asks us to count how many subsequences of the given arr… |
| 3248 | Snake in Matrix | 🟢 Easy | 1m 3s | The problem describes a snake moving inside an n x n grid. Every ce… |
| 3249 | Count the Number of Good Nodes | 🟡 Medium | 2m 13s | We are given an undirected tree with n nodes labeled from 0 to n - … |
| 3250 | Find the Count of Monotonic Pairs I | 🔴 Hard | 1m 29s | The problem asks us to count the number of valid pairs of arrays (a… |
| 3251 | Find the Count of Monotonic Pairs II | 🔴 Hard | 58s | The problem asks us to count the number of ways we can split an arr… |
| 3252 | Premier League Table Ranking II | 🟡 Medium | 53s | The problem asks us to compute a Premier League-style ranking table… |
| 3253 | Construct String with Minimum Cost (Easy) | 🟡 Medium | 40s | === 1996-N5 === Origin: ROM Let denote the set of nonnegative integ… |
| 3254 | Find the Power of K-Size Subarrays I | 🟡 Medium | 1m 14s | The problem asks us to examine every contiguous subarray of length … |
| 3255 | Find the Power of K-Size Subarrays II | 🟡 Medium | 1m 10s | The problem asks us to evaluate every contiguous subarray of length… |
| 3256 | Maximum Value Sum by Placing Three Rooks I | 🔴 Hard | 1m 24s | We are given an m x n matrix called board, where each cell contains… |
| 3257 | Maximum Value Sum by Placing Three Rooks II | 🔴 Hard | 1m 18s | We are given an m x n matrix called board, where each cell contains… |
| 3258 | Count Substrings That Satisfy K-Constraint I | 🟢 Easy | 1m 9s | The problem gives us a binary string s, meaning the string contains… |
| 3259 | Maximum Energy Boost From Two Drinks | 🟡 Medium | 54s | This problem is asking you to plan the consumption of two energy dr… |
| 3260 | Find the Largest Palindrome Divisible by K | 🔴 Hard | 1m 27s | The problem asks us to construct the largest possible palindrome wi… |
| 3261 | Count Substrings That Satisfy K-Constraint II | 🔴 Hard | 1m 34s | We are given a binary string s, an integer k, and many range querie… |
| 3262 | Find Overlapping Shifts | 🟡 Medium | 1m 43s | The problem requires counting overlapping shifts for each employee … |
| 3263 | Convert Doubly Linked List to Array I | 🟢 Easy | 51s | The problem asks us to convert a doubly linked list into a standard… |
| 3264 | Final Array State After K Multiplication Operations I | 🟢 Easy | 1m 14s | This problem asks us to repeatedly modify an array according to a v… |
| 3265 | Count Almost Equal Pairs I | 🟡 Medium | 52s | The problem asks us to find the number of index pairs (i, j) in an … |
| 3266 | Final Array State After K Multiplication Operations II | 🔴 Hard | 1m 35s | The problem gives us an integer array nums, an integer k, and an in… |
| 3267 | Count Almost Equal Pairs II | 🔴 Hard | 1m 23s | We are given an array nums containing positive integers. We need to… |
| 3268 | Find Overlapping Shifts II | 🔴 Hard | 49s | The problem asks us to analyze shift overlaps for employees. We are… |
| 3269 | Constructing Two Increasing Arrays | 🔴 Hard | 1m 29s | We are given two binary arrays, nums1 and nums2. Each element is ei… |
| 3270 | Find the Key of the Numbers | 🟢 Easy | 1m 6s | The problem gives us three positive integers, num1, num2, and num3.… |
| 3271 | Hash Divided String | 🟡 Medium | 52s | The problem asks us to compute a hashed string from an input string… |
| 3272 | Find the Count of Good Integers | 🔴 Hard | 1m 15s | The problem asks us to count n-digit integers that are "good" with … |
| 3273 | Minimum Amount of Damage Dealt to Bob | 🔴 Hard | 1m 33s | This problem asks us to determine the minimum total damage Bob will… |
| 3274 | Check if Two Chessboard Squares Have the Same Color | 🟢 Easy | 1m 27s | The problem gives us two chessboard coordinates, such as "a1" or "h… |
| 3275 | K-th Nearest Obstacle Queries | 🟡 Medium | 1m 19s | The problem requires tracking obstacles on an infinite 2D plane and… |
| 3276 | Select Cells in Grid With Maximum Score | 🔴 Hard | 59s | The problem requires us to select cells from a 2D matrix grid such … |
| 3277 | Maximum XOR Score Subarray Queries | 🔴 Hard | 1m 35s | The problem gives us an integer array nums and several range querie… |
| 3278 | Find Candidates for Data Scientist Position II | 🟡 Medium | 2m 1s | This problem asks us to determine the best candidate for every proj… |
| 3279 | Maximum Total Area Occupied by Pistons | 🔴 Hard | 1m 10s | This problem is about simulating the motion of pistons in a car eng… |
| 3280 | Convert Date to Binary | 🟢 Easy | 1m 13s | The problem gives us a date string in the format yyyy-mm-dd. The ye… |
| 3281 | Maximize Score of Numbers in Ranges | 🟡 Medium | 50s | The problem presents a list of intervals derived from the start arr… |
| 3282 | Reach End of Array With Max Score | 🟡 Medium | 1m 12s | We are given an integer array nums, where each position represents … |
| 3283 | Maximum Number of Moves to Kill All Pawns | 🔴 Hard | 1m 43s | The problem gives us a 50 x 50 chessboard containing exactly one kn… |
| 3284 | Sum of Consecutive Subarrays | 🟡 Medium | 59s | The problem asks us to compute the sum of all consecutive subarrays… |
| 3285 | Find Indices of Stable Mountains | 🟢 Easy | 46s | The problem asks us to find indices of "stable" mountains from a gi… |
| 3286 | Find a Safe Walk Through a Grid | 🟡 Medium | 51s | The problem requires determining whether there exists a path from t… |
| 3287 | Find the Maximum Sequence Value of Array | 🔴 Hard | 1m 34s | We are given an array nums and an integer k. We must choose a subse… |
| 3288 | Length of the Longest Increasing Path | 🔴 Hard | 1m 37s | We are given a collection of distinct points on a 2D plane. Each po… |
| 3289 | The Two Sneaky Numbers of Digitville | 🟢 Easy | 1m 13s | The problem is asking us to identify two numbers that appear twice … |
| 3290 | Maximum Multiplication Score | 🟡 Medium | 1m 31s | This problem gives us two integer arrays: - a, which always has exa… |
| 3291 | Minimum Number of Valid Strings to Form Target I | 🟡 Medium | 1m 32s | We are given a list of strings called words and another string call… |
| 3292 | Minimum Number of Valid Strings to Form Target II | 🔴 Hard | 1m 43s | We are given a collection of strings words and a target string targ… |
| 3293 | Calculate Product Final Price | 🟡 Medium | 1m 10s | The problem asks us to calculate the final price for each product i… |
| 3294 | Convert Doubly Linked List to Array II | 🟡 Medium | 1m 53s | This problem gives us a pointer to an arbitrary node inside a doubl… |
| 3295 | Report Spam Message | 🟡 Medium | 1m 29s | This problem asks us to determine whether a given message should be… |
| 3296 | Minimum Number of Seconds to Make Mountain Height Zero | 🟡 Medium | 1m 15s | The problem asks us to calculate the minimum amount of time require… |
| 3297 | Count Substrings That Can Be Rearranged to Contain a String I | 🟡 Medium | 1m 47s | We are given two lowercase strings, word1 and word2. A substring of… |
| 3298 | Count Substrings That Can Be Rearranged to Contain a String II | 🔴 Hard | 1m 32s | We are given two strings, word1 and word2. We need to count how man… |
| 3299 | Sum of Consecutive Subsequences | 🔴 Hard | 1m 44s | We are given an array nums, and we must consider all non-empty subs… |
| 3300 | Minimum Element After Replacement With Digit Sum | 🟢 Easy | 1m 6s | The problem asks us to transform an array of integers nums by repla… |
| 3301 | Maximize the Total Height of Unique Towers | 🟡 Medium | 1m 20s | We are given an array maximumHeight where maximumHeight[i] represen… |
| 3302 | Find the Lexicographically Smallest Valid Sequence | 🟡 Medium | 58s | The problem asks us to find a sequence of indices from word1 such t… |
| 3303 | Find the Occurrence of First Almost Equal Substring | 🔴 Hard | 2m 26s | We are given two strings, s and pattern. The task is to find the sm… |
| 3304 | Find the K-th Character in String Game I | 🟢 Easy | 1m 19s | The problem defines an infinite string-building process that starts… |
| 3305 | Count of Substrings Containing Every Vowel and K Consonants I | 🟡 Medium | 1m 6s | The problem asks us to count all substrings of a given string word … |
| 3306 | Count of Substrings Containing Every Vowel and K Consonants II | 🟡 Medium | 1m 36s | The problem asks us to count how many substrings of a given string … |
| 3307 | Find the K-th Character in String Game II | 🔴 Hard | 1m 15s | The problem describes a string manipulation game between Alice and … |
| 3308 | Find Top Performing Driver | 🟡 Medium | 1m 14s | The problem asks us to identify the top-performing driver for each … |
| 3309 | Maximum Possible Number by Binary Concatenation | 🟡 Medium | 1m 4s | The problem is asking for the maximum integer value that can be cre… |
| 3310 | Remove Methods From Project | 🟡 Medium | 1m 13s | The problem models a project as a directed graph of method calls. E… |
| 3311 | Construct 2D Grid Matching Graph Layout | 🔴 Hard | 1m 55s | The problem gives us an undirected graph with n nodes labeled from … |
| 3312 | Sorted GCD Pair Queries | 🔴 Hard | 40s | === 1996-G1 === Origin: GBR Let triangle have orthocenter , and let… |
| 3313 | Find the Last Marked Nodes in Tree | 🔴 Hard | 1m 33s | We are given an undirected tree with n nodes labeled from 0 to n - … |
| 3314 | Construct the Minimum Bitwise Array I | 🟢 Easy | 52s | The problem asks us to construct an array ans from a given array nu… |
| 3315 | Construct the Minimum Bitwise Array II | 🟡 Medium | 1m 28s | We are given an array nums where every element is a prime number. F… |
| 3316 | Find Maximum Removals From Source String | 🟡 Medium | 1m 30s | We are given three inputs: - source, the original string of length … |
| 3317 | Find the Number of Possible Ways for an Event | 🔴 Hard | 1m 38s | The problem describes an event with n performers and x available st… |
| 3318 | Find X-Sum of All K-Long Subarrays I | 🟢 Easy | 2m | The problem asks us to compute a special value called the x-sum for… |
| 3319 | K-th Largest Perfect Subtree Size in Binary Tree | 🟡 Medium | 1m 36s | We are given the root of a binary tree and an integer k. Our goal i… |
| 3320 | Count The Number of Winning Sequences | 🔴 Hard | 1m 35s | We are given a string s representing Alice’s moves across n rounds … |
| 3321 | Find X-Sum of All K-Long Subarrays II | 🔴 Hard | 1m 14s | The problem asks us to compute a specialized sum, called the x-sum,… |
| 3322 | Premier League Table Ranking III | 🟡 Medium | 1m 4s | The problem requires calculating a Premier League-style ranking for… |
| 3323 | Minimize Connected Groups by Inserting Interval | 🟡 Medium | 51s | The problem asks us to minimize the number of connected groups in a… |
| 3324 | Find the Sequence of Strings Appeared on the Screen | 🟡 Medium | 2m 2s | The problem gives us a target string and a very restricted keyboard… |
| 3325 | Count Substrings With K-Frequency Characters I | 🟡 Medium | 1m 9s | The problem asks us to count all substrings of a given string s suc… |
| 3326 | Minimum Division Operations to Make Array Non Decreasing | 🟡 Medium | 1m 22s | The problem asks us to make a given integer array nums non-decreasi… |
| 3327 | Check if DFS Strings Are Palindromes | 🔴 Hard | 1m 43s | We are given a rooted tree with n nodes. Node 0 is the root, and th… |
| 3328 | Find Cities in Each State II | 🟡 Medium | 1m 36s | The problem gives us a database table named cities, where each row … |
| 3329 | Count Substrings With K-Frequency Characters II | 🔴 Hard | 1m 41s | The problem asks us to count how many substrings of a given string … |
| 3330 | Find the Original Typed String I | 🟢 Easy | 55s | This problem asks us to determine the number of possible original s… |
| 3331 | Find Subtree Sizes After Changes | 🟡 Medium | 1m 44s | We are given a rooted tree with n nodes numbered from 0 to n - 1. T… |
| 3332 | Maximum Points Tourist Can Earn | 🟡 Medium | 52s | The problem asks us to maximize the points a tourist can earn over … |
| 3333 | Find the Original Typed String II | 🔴 Hard | 32s | The problem asks us to determine the number of possible original st… |
| 3334 | Find the Maximum Factor Score of Array | 🟡 Medium | 1m 8s | The problem asks us to compute the maximum factor score of an array… |
| 3335 | Total Characters in String After Transformations I | 🟡 Medium | 1m 7s | The problem gives us a string s and an integer t. We repeatedly app… |
| 3336 | Find the Number of Subsequences With Equal GCD | 🔴 Hard | 1m 6s | The problem asks us to count the number of pairs of non-empty disjo… |
| 3337 | Total Characters in String After Transformations II | 🔴 Hard | 1m 55s | The problem defines a repeated string transformation process over l… |
| 3338 | Second Highest Salary II | 🟡 Medium | 52s | This problem asks us to analyze employee salary data within departm… |
| 3339 | Find the Number of K-Even Arrays | 🟡 Medium | 1m 34s | We are given three integers: - n, the length of the array. - m, the… |
| 3340 | Check Balanced String | 🟢 Easy | 1m 13s | The problem gives us a string num that contains only numeric digits… |
| 3341 | Find Minimum Time to Reach Last Room I | 🟡 Medium | 1m 20s | The problem is asking for the minimum time required to reach the bo… |
| 3342 | Find Minimum Time to Reach Last Room II | 🟡 Medium | 1m 26s | This problem describes a dungeon represented as an n x m grid of ro… |
| 3343 | Count Number of Balanced Permutations | 🔴 Hard | 2m 11s | We are given a string num consisting only of digits. We may rearran… |
| 3344 | Maximum Sized Array | 🟡 Medium | 6m 44s | We are given a non-negative integer s and need to determine the lar… |
| 3345 | Smallest Divisible Digit Product I | 🟢 Easy | 1m 43s | The problem gives us two integers, n and t. We must find the smalle… |
| 3346 | Maximum Frequency of an Element After Performing Operations I | 🟡 Medium | 2m 29s | The problem gives us an integer array nums, along with two integers… |
| 3347 | Maximum Frequency of an Element After Performing Operations II | 🔴 Hard | 1m 58s | The problem gives us an integer array nums, along with two integers… |
| 3348 | Smallest Divisible Digit Product II | 🔴 Hard | 5m 52s | The problem asks us to find the smallest number that satisfies seve… |
| 3349 | Adjacent Increasing Subarrays Detection I | 🟢 Easy | 1m 47s | The problem gives us an integer array nums and an integer k. We nee… |
| 3350 | Adjacent Increasing Subarrays Detection II | 🟡 Medium | 1m 15s | The problem asks us to find the largest possible length k such that… |
| 3351 | Sum of Good Subsequences | 🔴 Hard | 53s | This problem asks us to compute the sum of all good subsequences in… |
| 3352 | Count K-Reducible Numbers Less Than N | 🔴 Hard | 1m 2s | The problem asks us to count the number of positive integers less t… |
| 3353 | Minimum Total Operations | 🟢 Easy | 50s | The problem is asking us to determine the minimum number of operati… |
| 3354 | Make Array Elements Equal to Zero | 🟢 Easy | 1m 30s | The problem gives us an integer array nums, where some elements may… |
| 3355 | Zero Array Transformation I | 🟡 Medium | 54s | The problem asks whether it is possible to transform a given intege… |
| 3356 | Zero Array Transformation II | 🟡 Medium | 1m 1s | The problem asks us to determine the minimum number of sequential q… |
| 3357 | Minimize the Maximum Adjacent Element Difference | 🔴 Hard | 2m 3s | The problem gives us an integer array nums, where some positions co… |
| 3358 | Books with NULL Ratings | 🟢 Easy | 1m 33s | This problem provides a database table named books. Each row in the… |
| 3359 | Find Sorted Submatrices With Maximum Element at Most K | 🔴 Hard | 1m 34s | We are given a matrix grid with m rows and n columns, along with an… |
| 3360 | Stone Removal Game | 🟢 Easy | 1m 6s | In this game, Alice and Bob take turns removing stones from a pile.… |
| 3361 | Shift Distance Between Two Strings | 🟡 Medium | 1m 19s | The problem gives us two strings, s and t, of equal length. We want… |
| 3362 | Zero Array Transformation III | 🟡 Medium | 1m 39s | We are given an integer array nums and a list of interval queries. … |
| 3363 | Find the Maximum Number of Fruits Collected | 🔴 Hard | 45s | This problem asks us to maximize the total number of fruits collect… |
| 3364 | Minimum Positive Sum Subarray | 🟢 Easy | 1m 20s | The problem asks us to find the smallest positive sum among all sub… |
| 3365 | Rearrange K Substrings to Form Target String | 🟡 Medium | 2m 5s | This problem asks whether it is possible to rearrange k contiguous … |
| 3366 | Minimum Array Sum | 🟡 Medium | 1m 30s | We are given an array nums and two different operations that can re… |
| 3367 | Maximize Sum of Weights after Edge Removals | 🔴 Hard | 1m 46s | We are given an undirected weighted tree with n nodes and n - 1 edg… |
| 3368 | First Letter Capitalization | 🔴 Hard | 4m 28s | This problem provides a database table named usercontent with two c… |
| 3369 | Design an Array Statistics Tracker | 🔴 Hard | 1m 47s | The problem asks us to design a data structure that supports a stre… |
| 3370 | Smallest Number With All Set Bits | 🟢 Easy | 1m 1s | The problem asks us to find the smallest integer x such that: 1. x … |
| 3371 | Identify the Largest Outlier in an Array | 🟡 Medium | 1m 23s | The problem gives us an integer array nums containing exactly three… |
| 3372 | Maximize the Number of Target Nodes After Connecting Trees I | 🟡 Medium | 1m 30s | We are given two separate undirected trees. The first tree contains… |
| 3373 | Maximize the Number of Target Nodes After Connecting Trees II | 🔴 Hard | 1m 43s | The problem gives us two separate undirected trees. The first tree … |
| 3374 | First Letter Capitalization II | 🔴 Hard | 1m 18s | This problem asks us to transform text stored in a database table w… |
| 3375 | Minimum Operations to Make Array Values Equal to K | 🟢 Easy | 1m 19s | The problem gives us an integer array nums and a target value k. Ou… |
| 3376 | Minimum Time to Break Locks I | 🟡 Medium | 1m 18s | The problem describes a sequence of locks that must all be broken. … |
| 3377 | Digit Operations to Make Two Integers Equal | 🟡 Medium | 1m 7s | The problem asks us to transform one integer n into another integer… |
| 3378 | Count Connected Components in LCM Graph | 🔴 Hard | 1m 34s | We are given an array nums, where each element represents the value… |
| 3379 | Transformed Array | 🟢 Easy | 40s | The problem asks us to transform a given integer array nums into a … |
| 3380 | Maximum Area Rectangle With Point Constraints I | 🟡 Medium | 1m 35s | The problem gives us a set of unique points on a 2D plane. We need … |
| 3382 | Maximum Area Rectangle With Point Constraints II | 🔴 Hard | 49s | The problem asks us to find the maximum area rectangle that can be … |
| 3383 | Minimum Runes to Add to Cast Spell | 🔴 Hard | 1m 56s | We are given a directed graph with n focus points, numbered from 0 … |
| 3384 | Team Dominance by Pass Success | 🔴 Hard | 1m 45s | This problem asks us to compute a dominance score for each football… |
| 3385 | Minimum Time to Break Locks II | 🔴 Hard | 1m 14s | In this problem, Bob must break a collection of locks, where each l… |
| 3386 | Button with Longest Push Time | 🟢 Easy | 1m 17s | The problem gives us a sequence of keyboard button press events. Ea… |
| 3387 | Maximize Amount After Two Days of Conversions | 🟡 Medium | 1m 27s | This problem models currency conversions as graph traversal across … |
| 3388 | Count Beautiful Splits in an Array | 🟡 Medium | 1m 27s | We are given an integer array nums, and we want to count how many w… |
| 3389 | Minimum Operations to Make Character Frequencies Equal | 🔴 Hard | 43s | The problem requires transforming a given string s into a good stri… |
| 3390 | Longest Team Pass Streak | 🔴 Hard | 1m 39s | This problem asks us to analyze a football match pass sequence and … |
| 3391 | Design a 3D Binary Matrix with Efficient Layer Tracking | 🟡 Medium | 1m 30s | The problem asks us to design a data structure that manages a 3D bi… |
| 3392 | Count Subarrays of Length Three With a Condition | 🟢 Easy | 1m 10s | The problem gives us an integer array nums and asks us to count how… |
| 3393 | Count Paths With the Given XOR Value | 🟡 Medium | 1m 56s | The problem gives us an m x n grid where each cell contains a small… |
| 3394 | Check if Grid can be Cut into Sections | 🟡 Medium | 13m 5s | LeetCode 3394: Check if Grid can be Cut into Sections (Medium) |
| 3395 | Subsequences with a Unique Middle Mode I | 🔴 Hard | 1m 45s | We are given an integer array nums, and we must count how many subs… |
| 3396 | Minimum Number of Operations to Make Elements in Array Distinct | 🟢 Easy | 1m 9s | The problem gives us an integer array nums, and our goal is to make… |
| 3397 | Maximum Number of Distinct Elements After Operations | 🟡 Medium | 44s | The problem asks us to maximize the number of distinct elements in … |
| 3398 | Smallest Substring With Identical Characters I | 🔴 Hard | 55s | The problem gives us a binary string s consisting of only '0' and '… |
| 3399 | Smallest Substring With Identical Characters II | 🔴 Hard | 1m 15s | We are given a binary string s consisting only of '0' and '1', alon… |
| 3400 | Maximum Number of Matching Indices After Right Shifts | 🟡 Medium | 1m 13s | The problem gives us two arrays, nums1 and nums2, both of the same … |
| 3401 | Find Circular Gift Exchange Chains | 🔴 Hard | 35s | Here’s a full technical solution guide following your requested for… |
| 3402 | Minimum Operations to Make Columns Strictly Increasing | 🟢 Easy | 46s | The problem gives us a matrix grid of size m x n containing non-neg… |
| 3403 | Find the Lexicographically Largest String From the Box I | 🟡 Medium | 2m 34s | We are given a string word of length n and an integer numFriends. I… |
| 3404 | Count Special Subsequences | 🟡 Medium | 1m 31s | This problem asks us to count the number of special subsequences of… |
| 3405 | Count the Number of Arrays with K Matching Adjacent Elements | 🔴 Hard | 3m 16s | This problem asks us to count how many arrays of length n can be fo… |
| 3406 | Find the Lexicographically Largest String From the Box II | 🔴 Hard | 2m 10s | We are given a string word of length n and an integer numFriends. I… |
| 3407 | Substring Matching Pattern | 🟢 Easy | 2m 39s | The problem gives us two strings: - s, the source string. - p, a pa… |
| 3408 | Design Task Manager | 🟡 Medium | 2m 21s | This problem asks us to design a data structure that maintains a co… |
| 3409 | Longest Subsequence With Decreasing Adjacent Difference | 🟡 Medium | 2m 41s | We are given an array nums, and we want to choose a subsequence fro… |
| 3410 | Maximize Subarray Sum After Removing All Occurrences of One Element | 🔴 Hard | 1m 33s | We are given an integer array nums. We may perform at most one oper… |
| 3411 | Maximum Subarray With Equal Products | 🟢 Easy | 2m 4s | We are given an array nums consisting of positive integers. For any… |
| 3412 | Find Mirror Score of a String | 🟡 Medium | 1m 21s | We are given a lowercase English string s. Every letter has a uniqu… |
| 3413 | Maximum Coins From K Consecutive Bags | 🟡 Medium | 2m 15s | We are given several non-overlapping segments on a number line. Eac… |
| 3414 | Maximum Score of Non-overlapping Intervals | 🔴 Hard | 1m 6s | This problem combines weighted interval scheduling with an addition… |
| 3415 | Find Products with Three Consecutive Digits | 🟢 Easy | 1m | This is a SQL database problem involving pattern matching on string… |
| 3416 | Subsequences with a Unique Middle Mode II | 🔴 Hard | 1m 33s | We are given an array nums, and we must count how many subsequences… |
| 3417 | Zigzag Grid Traversal With Skip | 🟢 Easy | 1m 23s | This problem asks us to traverse a two-dimensional grid in a zigzag… |
| 3418 | Maximum Amount of Money Robot Can Earn | 🟡 Medium | 1m 15s | We are given an m x n grid where each cell contains either a positi… |
| 3419 | Minimize the Maximum Edge Weight of Graph | 🟡 Medium | 49s | The problem is asking us to manipulate a directed weighted graph in… |
| 3420 | Count Non-Decreasing Subarrays After K Operations | 🔴 Hard | 1m 24s | You are given an array nums and a budget of at most k increment ope… |
| 3421 | Find Students Who Improved | 🟡 Medium | 3m 35s | This This ensures that performance in one subject never affects ano… |
| 3422 | Minimum Operations to Make Subarray Elements Equal | 🟡 Medium | 2m 11s | We are given an array nums and an integer k. In a single operation,… |
| 3423 | Maximum Difference Between Adjacent Elements in a Circular Array | 🟢 Easy | 1m 30s | This problem gives us an integer array nums and asks us to find the… |
| 3424 | Minimum Cost to Make Arrays Identical | 🟡 Medium | 49s | The problem asks us to transform one integer array arr into another… |
| 3425 | Longest Special Path | 🔴 Hard | 51s | This problem provides an undirected tree rooted at node 0 with n no… |
| 3427 | Sum of Variable Length Subarrays | 🟢 Easy | 40s | The problem provides an integer array nums of length n. For each in… |
| 3428 | Maximum and Minimum Sums of at Most Size K Subsequences | 🟡 Medium | 1m 11s | We are given an array nums and an integer k. For every subsequence … |
| 3429 | Paint House IV | 🟡 Medium | 46s | This problem is asking us to paint n houses arranged in a line with… |
| 3430 | Maximum and Minimum Sums of at Most Size K Subarrays | 🔴 Hard | 4m 29s | We are remains efficient even at the maximum constraint limit. |
| 3431 | Minimum Unlocked Indices to Sort Nums | 🟡 Medium | 3m 37s | We are given two arrays of equal both required ranges are empty and… |
| 3432 | Count Partitions with Even Sum Difference | 🟢 Easy | 2m 43s | The problem gives us an integer array nums and asks us to count how… |
| 3433 | Count Mentions Per User | 🟡 Medium | 1m 28s | This problem asks us to simulate a sequence of user activity events… |
| 3435 | Frequencies of Shortest Supersequences | 🔴 Hard | 46s | The problem asks us to find all shortest common supersequences (SCS… |
| 3436 | Find Valid Emails | 🟢 Easy | 42s | The problem requires us to identify valid email addresses from a Us… |
| 3437 | Permutations III | 🟡 Medium | 1m 13s | We are given a single integer n, and we need to generate all permut… |
| 3438 | Find Valid Pair of Adjacent Digits in String | 🟢 Easy | 3m 23s | The problem gives us a string s containing only digits from '1' to … |
| 3439 | Reschedule Meetings for Maximum Free Time I | 🟡 Medium | 55s | We are given an event that runs from time 0 to eventTime. Inside th… |
| 3440 | Reschedule Meetings for Maximum Free Time II | 🟡 Medium | 1m 41s | We are given an event that lasts from time 0 to eventTime. Inside t… |
| 3441 | Minimum Cost Good Caption | 🔴 Hard | 1m 23s | We are given a lowercase string caption. We may repeatedly change a… |
| 3442 | Maximum Difference Between Even and Odd Frequency I | 🟢 Easy | 56s | This problem requires analyzing the frequency of characters in a gi… |
| 3444 | Minimum Increments for Target Multiples in an Array | 🔴 Hard | 1m 36s | We are given two arrays: - nums, the array whose elements we are al… |
| 3445 | Maximum Difference Between Even and Odd Frequency II | 🔴 Hard | 1m 54s | We are given a string s consisting only of digits '0' through '4', … |
| 3446 | Sort Matrix by Diagonals | 🟡 Medium | 54s | We are given an n x n square matrix grid. Every cell belongs to exa… |
| 3447 | Assign Elements to Groups with Constraints | 🟡 Medium | 50s | The problem requires assigning elements from one array, elements, t… |
| 3448 | Count Substrings Divisible By Last Digit | 🔴 Hard | 1m 26s | We are given a string s consisting only of decimal digits. Every su… |
| 3449 | Maximize the Minimum Game Score | 🔴 Hard | 1m 26s | You are given an array points, where points[i] is the amount added … |
| 3450 | Maximum Students on a Single Bench | 🟢 Easy | 46s | The problem provides a list of student-seat assignments, where each… |
| 3451 | Find Invalid IP Addresses | 🔴 Hard | 1m 5s | This is a SQL database problem where we must identify all invalid I… |
| 3452 | Sum of Good Numbers | 🟢 Easy | 1m 15s | This problem gives us an integer array nums and an integer k. For e… |
| 3453 | Separate Squares I | 🟡 Medium | 2m 1s | We are given a collection of axis-aligned squares. Each square is r… |
| 3454 | Separate Squares II | 🔴 Hard | 1m 53s | This problem asks us to find the smallest horizontal line y = H tha… |
| 3455 | Shortest Matching Substring | 🔴 Hard | 1m 4s | This problem asks us to find the length of the shortest substring i… |
| 3456 | Find Special Substring of Length K | 🟢 Easy | 1m 14s | The problem gives us a string s and an integer k. We need to determ… |
| 3457 | Eat Pizzas! | 🟡 Medium | 42s | The problem presents an array pizzas of size n where each element r… |
| 3458 | Select K Disjoint Special Substrings | 🟡 Medium | 46s | The problem asks us to determine whether we can select k disjoint s… |
| 3459 | Length of Longest V-Shaped Diagonal Segment | 🔴 Hard | 2m 2s | We are given an n x m matrix whose entries are only 0, 1, or 2. A v… |
| 3460 | Longest Common Prefix After at Most One Removal | 🟡 Medium | 1m 25s | We are given two lowercase strings, s and t. We may remove at most … |
| 3461 | Check If Digits Are Equal in String After Operations I | 🟢 Easy | 52s | This problem asks us to repeatedly transform a string of digits by … |
| 3462 | Maximum Sum With at Most K Elements | 🟡 Medium | 49s | We are given a matrix grid, where each row contains a collection of… |
| 3463 | Check If Digits Are Equal in String After Operations II | 🔴 Hard | 44s | The problem asks us to repeatedly transform a string of digits unti… |
| 3464 | Maximize the Distance Between Points on a Square | 🔴 Hard | 1m 56s | We are given a square of side length side. Every point in the input… |
| 3465 | Find Products with Valid Serial Numbers | 🟢 Easy | 40s | The problem asks us to query a database table called products to id… |
| 3466 | Maximum Coin Collection | 🟡 Medium | 2m 9s | We are given two arrays, lane1 and lane2, of equal length. Each ind… |
| 3467 | Transform Array by Parity | 🟢 Easy | 1m 11s | The problem gives us an integer array nums and asks us to transform… |
| 3468 | Find the Number of Copy Arrays | 🟡 Medium | 1m 7s | We are given an array original and a range constraint for every pos… |
| 3469 | Find Minimum Cost to Remove Array Elements | 🟡 Medium | 42s | The problem is asking for the minimum total cost required to remove… |
| 3470 | Permutations IV | 🔴 Hard | 1m 54s | We are given two integers, n and k. We must consider all permutatio… |
| 3471 | Find the Largest Almost Missing Integer | 🟢 Easy | 1m 16s | The problem gives us an integer array nums and an integer k. We con… |
| 3472 | Longest Palindromic Subsequence After at Most K Operations | 🟡 Medium | 32s | Here’s a complete, detailed technical solution guide for LeetCode 3… |
| 3474 | Lexicographically Smallest Generated String | 🔴 Hard | 1m 27s | We are given two strings: - str1 of length n, containing only 'T' a… |
| 3475 | DNA Pattern Recognition | 🟡 Medium | 1m 19s | This problem provides a database table named Samples that contains … |
| 3476 | Maximize Profit from Task Assignment | 🟡 Medium | 49s | This problem asks us to assign tasks to workers in order to maximiz… |
| 3477 | Fruits Into Baskets II | 🟢 Easy | 46s | This problem asks us to simulate the placement of fruits into baske… |
| 3478 | Choose K Elements With Maximum Sum | 🟡 Medium | 43s | This problem asks us to compute a "maximum sum" for each index in a… |
| 3479 | Fruits Into Baskets III | 🟡 Medium | 1m 34s | This problem gives us two arrays of equal length: - fruits[i] repre… |
| 3480 | Maximize Subarrays After Removing One Conflicting Pair | 🔴 Hard | 52s | Here’s a detailed technical solution guide following your requested… |
| 3481 | Apply Substitutions | 🟡 Medium | 1m 35s | This problem gives us a collection of replacement rules and a text … |
| 3482 | Analyze Organization Hierarchy | 🔴 Hard | 2m 2s | This problem is a hierarchical organization analysis task over an e… |
| 3484 | Design Spreadsheet | 🟡 Medium | 1m 19s | This problem asks us to design a very small spreadsheet system that… |
| 3486 | Longest Special Path II | 🔴 Hard | 1m 49s | We are given a rooted tree with n nodes. The tree is rooted at node… |
| 3488 | Closest Equal Element Queries | 🟡 Medium | 50s | The problem asks us to process a series of queries on a circular ar… |
| 3489 | Zero Array Transformation IV | 🟡 Medium | 43s | The problem asks us to determine the minimum number of sequential q… |
| 3490 | Count Beautiful Numbers | 🔴 Hard | 38s | This problem asks us to count the number of positive integers betwe… |
| 3491 | Phone Number Prefix | 🟢 Easy | 27s | The problem is asking us to determine whether any phone number in a… |
| 3492 | Maximum Containers on a Ship | 🟢 Easy | 56s | This problem describes a cargo ship with an n × n deck. Since each … |
| 3493 | Properties Graph | 🟡 Medium | 51s | The problem asks us to model a 2D array of integers, called propert… |
| 3494 | Find the Minimum Amount of Time to Brew Potions | 🟡 Medium | 45s | The problem asks us to simulate a sequential brewing process for po… |
| 3495 | Minimum Operations to Make Array Elements Zero | 🔴 Hard | 1m 20s | The problem presents a sequence of queries, each defining a contigu… |
| 3496 | Maximize Score After Pair Deletions | 🟡 Medium | 1m 32s | We are given an integer array nums. While the array contains more t… |
| 3497 | Analyze Subscription Conversion | 🟡 Medium | 57s | This is a SQL aggregation problem where we need to analyze user sub… |
| 3498 | Reverse Degree of a String | 🟢 Easy | 1m 2s | The problem asks us to compute a special value called the reverse d… |
| 3499 | Maximize Active Section with Trade I | 🟡 Medium | 45s | The problem gives a binary string s representing sections of a syst… |
| 3500 | Minimum Cost to Divide Array Into Subarrays | 🔴 Hard | 46s | This problem asks us to partition an array nums into contiguous sub… |
| 3501 | Maximize Active Section with Trade II | 🔴 Hard | 47s | The problem presents a binary string s where each character represe… |
| 3502 | Minimum Cost to Reach Every Position | 🟢 Easy | 1m 22s | We are given an array cost of length n. There are n + 1 positions i… |
| 3503 | Longest Palindrome After Substring Concatenation I | 🟡 Medium | 1m 42s | We are given two strings, s and t, and we are allowed to choose: 1.… |
| 3504 | Longest Palindrome After Substring Concatenation II | 🔴 Hard | 36s | We are given two strings, s and t. We may choose any substring from… |
| 3505 | Minimum Operations to Make Elements Within K Subarrays Equal | 🔴 Hard | 1m 24s | You are given an integer array nums, and you want to create at leas… |
| 3506 | Find Time Required to Eliminate Bacterial Strains | 🔴 Hard | 39s | This problem asks us to find the minimum time required to eliminate… |
| 3507 | Minimum Pair Removal to Sort Array I | 🟢 Easy | 1m 16s | We are given an array nums. At any step, we are not free to choose … |
| 3508 | Implement Router | 🟡 Medium | 45s | The problem is asking us to design a Router data structure to manag… |
| 3509 | Maximum Product of Subsequences With an Alternating Sum Equal to K | 🔴 Hard | 48s | The problem asks us to find a subsequence of a given integer array … |
| 3510 | Minimum Pair Removal to Sort Array II | 🔴 Hard | 1m 9s | We are given an array nums. The operation is highly constrained: 1.… |
| 3511 | Make a Positive Array | 🟡 Medium | 35s | Before diving into the detailed solution guide, I want to clarify o… |
| 3512 | Minimum Operations to Make Array Sum Divisible by K | 🟢 Easy | 1m 10s | The problem gives us an integer array nums and an integer k. We are… |
| 3513 | Number of Unique XOR Triplets I | 🟡 Medium | 53s | The problem asks us to determine the number of unique values that c… |
| 3514 | Number of Unique XOR Triplets II | 🟡 Medium | 1m 14s | We are given an integer array nums, and we must consider every trip… |
| 3515 | Shortest Path in a Weighted Tree | 🔴 Hard | 1m 22s | We are given a weighted tree with n nodes, rooted at node 1. A tree… |
| 3516 | Find Closest Person | 🟢 Easy | 1m 8s | This problem gives us three integers, x, y, and z, representing the… |
| 3517 | Smallest Palindromic Rearrangement I | 🟡 Medium | 40s | The problem asks us to take a palindromic string s and return its l… |
| 3518 | Smallest Palindromic Rearrangement II | 🔴 Hard | 1m 42s | We are given a string s that is guaranteed to already be a palindro… |
| 3519 | Count Numbers with Non-Decreasing Digits | 🔴 Hard | 1m 45s | We are given two very large integers l and r as decimal strings and… |
| 3520 | Minimum Threshold for Inversion Pairs Count | 🟡 Medium | 2m 12s | The problem asks us to find the minimum threshold x such that there… |
| 3521 | Find Product Recommendation Pairs | 🟡 Medium | 1m 16s | This problem asks us to identify product pairs that are frequently … |
| 3522 | Calculate Score After Performing Instructions | 🟡 Medium | 1m 36s | The problem presents a simulated execution environment defined by t… |
| 3523 | Make Array Non-decreasing | 🟡 Medium | 49s | The problem asks us to transform an integer array nums into a non-d… |
| 3524 | Find X Value of Array I | 🟡 Medium | 1m 45s | The operation described in the problem may initially look unusual, … |
| 3525 | Find X Value of Array II | 🔴 Hard | 1m 25s | For each query, two things happen in order. First, we permanently u… |
| 3526 | Range XOR Queries with Subarray Reversals | 🔴 Hard | 2m 9s | The problem asks us to maintain a dynamic array of integers under t… |
| 3527 | Find the Most Common Response | 🟡 Medium | 1m 33s | This problem gives us a two dimensional array of strings called res… |
| 3528 | Unit Conversion I | 🟡 Medium | 42s | The problem is asking us to compute, for each unit type from 0 to n… |
| 3529 | Count Cells in Overlapping Horizontal and Vertical Substrings | 🟡 Medium | 1m 22s | We are given a character matrix and a pattern string. The key obser… |
| 3530 | Maximum Profit from Valid Topological Order in DAG | 🔴 Hard | 47s | The problem requires computing the maximum possible profit achievab… |
| 3531 | Count Covered Buildings | 🟡 Medium | 1m 18s | The task asks us to count how many buildings in a given set are cov… |
| 3532 | Path Existence Queries in a Graph I | 🟡 Medium | 1m 23s | This problem defines an undirected graph implicitly through a sorte… |
| 3533 | Concatenated Divisibility | 🔴 Hard | 1m 40s | We are given an array nums containing up to 13 positive integers an… |
| 3534 | Path Existence Queries in a Graph II | 🔴 Hard | 47s | This problem asks us to compute the shortest path between nodes in … |
| 3535 | Unit Conversion II | 🟡 Medium | 1m 8s | The input describes a collection of unit conversion relationships. … |
| 3536 | Maximum Product of Two Digits | 🟢 Easy | 1m 5s | The problem gives us a positive integer n and asks us to find the m… |
| 3537 | Fill a Special Grid | 🟡 Medium | 1m 40s | The problem asks us to construct a structured matrix filled with al… |
| 3538 | Merge Operations for Minimum Travel Time | 🔴 Hard | 46s | This problem presents a road of length l kilometers, segmented by n… |
| 3539 | Find Sum of Array Product of Magical Sequences | 🔴 Hard | 1m 49s | This problem asks us to compute the sum of array products for all m… |
| 3540 | Minimum Time to Visit All Houses | 🟡 Medium | 1m 19s | This problem describes a set of n houses arranged in a circle. Betw… |
| 3541 | Find Most Frequent Vowel and Consonant | 🟢 Easy | 53s | The problem requires analyzing a string s composed of lowercase Eng… |
| 3542 | Minimum Operations to Convert All Elements to Zero | 🟡 Medium | 57s | The problem requires us to reduce all elements of a given non-negat… |
| 3543 | Maximum Weighted K-Edge Path | 🟡 Medium | 1m 21s | We are given a directed acyclic graph (DAG) with n nodes and weight… |
| 3544 | Subtree Inversion Sum | 🔴 Hard | 48s | This problem asks us to select a subset of nodes in a rooted tree s… |
| 3545 | Minimum Deletions for At Most K Distinct Characters | 🟢 Easy | 1m 19s | The problem gives us a string s containing lowercase English letter… |
| 3546 | Equal Sum Grid Partition I | 🟡 Medium | 1m 6s | This problem asks us to determine whether a rectangular grid of pos… |
| 3547 | Maximum Sum of Edge Values in a Graph | 🔴 Hard | 2m 30s | The graph is undirected, connected, and every node has degree at mo… |
| 3548 | Equal Sum Grid Partition II | 🔴 Hard | 1m 36s | The problem asks us to determine if we can partition a given m x n … |
| 3549 | Multiply Two Polynomials | 🔴 Hard | 1m 9s | The input arrays represent polynomials in coefficient form. If: the… |
| 3550 | Smallest Index With Digit Sum Equal to Index | 🟢 Easy | 1m 30s | The problem requires us to find the smallest index in an integer ar… |
| 3551 | Minimum Swaps to Sort by Digit Sum | 🟡 Medium | 1m 50s | We are given an array nums consisting of distinct positive integers… |
| 3552 | Grid Teleportation Traversal | 🟡 Medium | 1m 4s | This problem presents a 2D grid traversal scenario with obstacles a… |
| 3553 | Minimum Weighted Subgraph With the Required Paths II | 🔴 Hard | 1m 37s | We are given a weighted, undirected tree with n nodes. Because the … |
| 3554 | Find Category Recommendation Pairs | 🔴 Hard | 1m 5s | This is a SQL database problem involving customer purchasing behavi… |
| 3555 | Smallest Subarray to Sort in Every Sliding Window | 🟡 Medium | 1m 53s | The problem asks us to examine every contiguous subarray (window) o… |
| 3556 | Sum of Largest Prime Substrings | 🟡 Medium | 52s | The problem requires identifying prime numbers from all possible su… |
| 3557 | Find Maximum Number of Non Intersecting Substrings | 🟡 Medium | 37s | This problem asks us to identify the maximum number of non-intersec… |
| 3558 | Number of Ways to Assign Edge Weights I | 🟡 Medium | 1m 26s | We are given an undirected tree rooted at node 1. Every edge initia… |
| 3559 | Number of Ways to Assign Edge Weights II | 🔴 Hard | 1m 15s | We are given an undirected tree with n nodes, rooted at node 1. Eve… |
| 3560 | Find Minimum Log Transportation Cost | 🟢 Easy | 32s | The problem asks us to transport two logs of lengths n and m using … |
| 3561 | Resulting String After Adjacent Removals | 🟡 Medium | 50s | The problem asks us to repeatedly remove pairs of adjacent characte… |
| 3562 | Maximum Profit from Trading Stocks with Discounts | 🔴 Hard | 2m 13s | We are given a rooted tree of employees, where employee 1 is the CE… |
| 3563 | Lexicographically Smallest String After Adjacent Removals | 🔴 Hard | 40s | The problem asks us to find the lexicographically smallest string t… |
| 3564 | Seasonal Sales Analysis | 🟡 Medium | 1m 29s | The task asks us to determine the most popular product category for… |
| 3565 | Sequential Grid Path Cover | 🟡 Medium | 54s | The problem asks us to find a path that visits every cell of a give… |
| 3566 | Partition Array into Two Equal Product Subsets | 🟡 Medium | 48s | Here’s a detailed technical solution guide for LeetCode 3566 follow… |
| 3567 | Minimum Absolute Difference in Sliding Submatrix | 🟡 Medium | 32s | The problem requires computing a specific statistic for every conti… |
| 3568 | Minimum Moves to Clean the Classroom | 🟡 Medium | 1m 57s | The problem asks us to compute the minimum number of moves a studen… |
| 3569 | Maximize Count of Distinct Primes After Split | 🔴 Hard | 2m 32s | The task asks us to maintain an integer array that is repeatedly up… |
| 3570 | Find Books with No Available Copies | 🟢 Easy | 46s | This problem asks us to identify books in a library system that are… |
| 3571 | Find the Shortest Superstring II | 🟢 Easy | 46s | This problem asks us to construct the shortest string that contains… |
| 3572 | Maximize Y\u2011Sum by Picking a Triplet of Distinct X\u2011Values | 🟡 Medium | 1m 23s | The problem gives us two arrays, x and y, both of length n. Each po… |
| 3573 | Best Time to Buy and Sell Stock V | 🟡 Medium | 1m 44s | This problem extends the classic stock trading dynamic programming … |
| 3574 | Maximize Subarray GCD Score | 🔴 Hard | 44s | The problem asks us to choose a contiguous subarray from an array o… |
| 3576 | Transform Array to All Equal Elements | 🟡 Medium | 2m 12s | The problem is asking whether it is possible to transform an array … |
| 3577 | Count the Number of Computer Unlocking Permutations | 🟡 Medium | 1m 10s | The problem presents a set of n computers, each with a unique passw… |
| 3578 | Count Partitions With Max-Min Difference at Most K | 🟡 Medium | 1m 34s | We are given an array nums and an integer k. We want to split the a… |
| 3579 | Minimum Steps to Convert String with Operations | 🔴 Hard | 50s | The problem asks us to transform one string, word1, into another st… |
| 3580 | Find Consistently Improving Employees | 🟡 Medium | 32s | The task asks us to identify employees whose performance has consis… |
| 3582 | Generate Tag for Video Caption | 🟢 Easy | 1m 20s | The problem asks us to transform a given caption string into a vali… |
| 3583 | Count Special Triplets | 🟡 Medium | 1m 25s | We are given an integer array nums of length n. We must count the n… |
| 3584 | Maximum Product of First and Last Elements of a Subsequence | 🟡 Medium | 1m 38s | The problem asks for the maximum possible product of the first and … |
| 3585 | Find Weighted Median Node in Tree | 🔴 Hard | 1m 37s | We are given a weighted tree with n nodes. A tree is an undirected … |
| 3586 | Find COVID Recovery Patients | 🟡 Medium | 54s | The task is to identify patients who have recovered from COVID base… |
| 3587 | Minimum Adjacent Swaps to Alternate Parity | 🟡 Medium | 1m 23s | The problem asks for the minimum number of adjacent swaps needed to… |
| 3588 | Find Maximum Area of a Triangle | 🟡 Medium | 1m 41s | We are given n distinct points on a 2D Cartesian plane. Each point … |
| 3589 | Count Prime-Gap Balanced Subarrays | 🟡 Medium | 1m 56s | We are given an integer array nums and an integer k. We must count … |
| 3590 | Kth Smallest Path XOR Sum | 🔴 Hard | 47s | The problem asks us to work with an undirected tree rooted at node … |
| 3591 | Check if Any Element Has Prime Frequency | 🟢 Easy | 49s | This problem asks us to determine whether any number in an array ap… |
| 3592 | Inverse Coin Change | 🟡 Medium | 2m 45s | The problem gives us a 1-indexed array numWays, where numWays[i] in… |
| 3593 | Minimum Increments to Equalize Leaf Paths | 🟡 Medium | 1m 32s | We are given a rooted tree with root node 0. Every node has a cost,… |
| 3594 | Minimum Time to Transport All Individuals | 🔴 Hard | 1m 40s | This problem is a shortest-path optimization over a highly constrai… |
| 3595 | Once Twice | 🟡 Medium | 43s | The problem provides an integer array nums where every element appe… |
| 3596 | Minimum Cost Path with Alternating Directions I | 🟡 Medium | 52s | This problem requires computing the minimum total cost to traverse … |
| 3597 | Partition String | 🟡 Medium | 1m 21s | We are given a string s and must partition it into segments accordi… |
| 3599 | Partition Array to Minimize XOR | 🟡 Medium | 1m 56s | This problem asks us to partition an array of integers, nums, into … |
| 3600 | Maximize Spanning Tree Stability with Upgrades | 🔴 Hard | 5m 50s | This problem asks us to determine the maximum possible stability of… |
| 3601 | Find Drivers with Improved Fuel Efficiency | 🟡 Medium | 3m 7s | This problem asks final stage, preserving accuracy during computati… |
| 3602 | Hexadecimal and Hexatrigesimal Conversion | 🟢 Easy | 3m 37s | The numbers that still fit in standard integer types; the algorithm… |
| 3604 | Minimum Time to Reach Destination in Directed Graph | 🟡 Medium | 53s | This problem asks us to compute the minimum time required to reach … |
| 3605 | Minimum Stability Factor of Array | 🔴 Hard | 1m 53s | We are given an array nums and an integer maxC. A subarray is calle… |
| 3606 | Coupon Code Validator | 🟢 Easy | 51s | The problem is asking us to validate a set of coupons based on thre… |
| 3607 | Power Grid Maintenance | 🟡 Medium | 1m 26s | The problem gives an undirected graph of c power stations labeled f… |
| 3608 | Minimum Time for K Connected Components | 🟡 Medium | 1m 47s | We are given an undirected graph with n vertices and a list of edge… |
| 3609 | Minimum Moves to Reach Target in Grid | 🔴 Hard | 40s | The problem asks us to determine the minimum number of moves to rea… |
| 3610 | Minimum Number of Primes to Sum to Target | 🟡 Medium | 1m 25s | The problem requires us to determine the minimum number of prime nu… |
| 3611 | Find Overbooked Employees | 🟡 Medium | 1m 24s | This problem asks us to identify employees who spend an excessive a… |
| 3612 | Process String with Special Operations I | 🟡 Medium | 2m 2s | The problem asks us to simulate the construction of a string called… |
| 3613 | Minimize Maximum Component Cost | 🟡 Medium | 2m 49s | Let's dive into a full technical guide for LeetCode 3613 following … |
| 3614 | Process String with Special Operations II | 🔴 Hard | 1m 41s | The problem defines a transformation process over a string s that c… |
| 3615 | Longest Palindromic Path in Graph | 🔴 Hard | 1m 52s | We are given an undirected graph with n ≤ 14 vertices. Each vertex … |
| 3616 | Number of Student Replacements | 🟡 Medium | 1m 50s | The problem models a simple selection process among students arrivi… |
| 3617 | Find Students with Study Spiral Pattern | 🔴 Hard | 1m 7s | The task asks us to identify students who exhibit a very specific b… |
| 3618 | Split Array by Prime Indices | 🟡 Medium | 1m 16s | The problem gives us an integer array nums and asks us to divide it… |
| 3619 | Count Islands With Total Value Divisible by K | 🟡 Medium | 50s | The problem is asking us to count islands in a 2D grid where the su… |
| 3620 | Network Recovery Pathways | 🔴 Hard | 2m | We are given a directed acyclic graph (DAG) with n nodes numbered f… |
| 3621 | Number of Integers With Popcount-Depth Equal to K I | 🔴 Hard | 1m 33s | This problem asks us to count integers x in the range [1, n] such t… |
| 3622 | Check Divisibility by Digit Sum and Product | 🟢 Easy | 38s | The problem asks us to determine if a given positive integer n is d… |
| 3625 | Count Number of Trapezoids II | 🔴 Hard | 47s | The problem asks us to count the number of unique trapezoids that c… |
| 3626 | Find Stores with Inventory Imbalance | 🟡 Medium | 1m 23s | This problem asks us to identify stores with an inventory imbalance… |
| 3628 | Maximum Number of Subsequences After One Inserting | 🟡 Medium | 1m 59s | We are given a string consisting of uppercase English letters. From… |
| 3629 | Minimum Jumps to Reach End via Prime Teleportation | 🟡 Medium | 1m 48s | The problem gives an integer array nums of length n, where each ind… |
| 3630 | Partition Array for Maximum XOR and AND | 🔴 Hard | 50s | The problem asks us to partition an integer array nums into three s… |
| 3631 | Sort Threats by Severity and Exploitability | 🟡 Medium | 1m 27s | We are asked to sort a list of threats according to a computed scor… |
| 3632 | Subarrays with XOR at Least K | 🔴 Hard | 1m 41s | This problem asks us to count the number of contiguous subarrays of… |
| 3633 | Earliest Finish Time for Land and Water Rides I | 🟢 Easy | 1m 44s | The problem asks us to determine the earliest possible time a touri… |
| 3634 | Minimum Removals to Balance Array | 🟡 Medium | 1m 36s | The problem asks us to transform a given integer array nums into a … |
| 3635 | Earliest Finish Time for Land and Water Rides II | 🟡 Medium | 56s | Great! We will cover LeetCode 3627 - Maximum Median Sum of Subseque… |
| 3636 | Threshold Majority Queries | 🔴 Hard | 2m 12s | The problem asks us to process multiple queries on a given array nu… |
| 3637 | Trionic Array I | 🟢 Easy | 2m 50s | We are given an integer array nums and need to determine whether it… |
| 3638 | Maximum Balanced Shipments | 🟡 Medium | 47s | We are given an array weight representing parcels arranged in a lin… |
| 3639 | Minimum Time to Activate String | 🟡 Medium | 2m 11s | We are given a string s of length n and a permutation array order. … |
| 3640 | Trionic Array II | 🔴 Hard | 2m 53s | We are given an integer array nums, and we must find the maximum po… |
| 3641 | Longest Semi-Repeating Subarray | 🟡 Medium | 1m 32s | We are given an integer array nums and an integer k. A subarray is … |
| 3642 | Find Books with Polarized Opinions | 🟡 Medium | 44s | The problem asks us to identify books that exhibit polarized opinio… |
| 3643 | Flip Square Submatrix Vertically | 🟢 Easy | 1m 19s | This problem gives us an m x n matrix called grid and three integer… |
| 3644 | Maximum K to Sort a Permutation | 🟡 Medium | 11m 43s | LeetCode 3644: Maximum K to Sort a Permutation (Medium) |
| 3646 | Next Special Palindrome Number | 🔴 Hard | 54s | This problem asks us to construct a number system under two simulta… |
| 3647 | Maximum Weight in Two Bags | 🟡 Medium | 1m 2s | This problem asks us to distribute a set of items, each with a give… |
| 3648 | Minimum Sensors to Cover Grid | 🟡 Medium | 44s | The problem gives an n × m grid where each cell is identified by co… |
| 3649 | Number of Perfect Pairs | 🟡 Medium | 2m 53s | We are given an integer array nums and must count how many index pa… |
| 3651 | Minimum Cost Path with Teleportations | 🔴 Hard | 1m 7s | The problem asks us to find the minimum cost to travel from the top… |
| 3652 | Best Time to Buy and Sell Stock using Strategy | 🟡 Medium | 39s | This problem asks us to calculate the maximum possible profit from … |
| 3653 | XOR After Range Multiplication Queries I | 🟡 Medium | 2m 56s | We are given an integer array nums and a list of queries. Each quer… |
| 3654 | Minimum Sum After Divisible Sum Deletions | 🟡 Medium | 1m 59s | This problem gives us an array nums containing positive integers an… |
| 3655 | XOR After Range Multiplication Queries II | 🔴 Hard | 1m 20s | We are given an array nums and a list of queries. Each query has th… |
| 3657 | Find Loyal Customers | 🟡 Medium | 1m 1s | This problem is a SQL aggregation and filtering task. We are given … |
| 3658 | GCD of Odd and Even Sums | 🟢 Easy | 1m 12s | The problem asks us to calculate the greatest common divisor (GCD) … |
| 3660 | Jump Game IX | 🟡 Medium | 1m 51s | The problem asks us to determine, for each position in an array num… |
| 3661 | Maximum Walls Destroyed by Robots | 🔴 Hard | 1m 12s | This problem takes place on a one dimensional number line. We are g… |
| 3662 | Filter Characters by Frequency | 🟢 Easy | 1m 21s | This problem asks us to filter a string based on character frequenc… |
| 3663 | Find The Least Frequent Digit | 🟢 Easy | 40s | The problem asks us to find the least frequent digit in the decimal… |
| 3664 | Two-Letter Card Game | 🟡 Medium | 5m 11s | Each card consists of exactly two lowercase letters. A card is only… |
| 3665 | Twisted Mirror Path Count | 🟡 Medium | 1m 10s | This problem asks us to count all unique paths from the top-left co… |
| 3667 | Sort Array By Absolute Value | 🟢 Easy | 2m 12s | The problem asks us to reorder an integer array such that the eleme… |
| 3668 | Restore Finishing Order | 🟢 Easy | 1m 32s | This problem gives us two arrays: - order, which represents the fin… |
| 3669 | Balanced K-Factor Decomposition | 🟡 Medium | 3m 9s | We are given two integers, n and k. Our goal is to split n into exa… |
| 3670 | Maximum Product of Two Integers With No Common Bits | 🟡 Medium | 3m 15s | We the objective is to maximize the product rather than count pairs. |
| 3671 | Sum of Beautiful Subsequences | 🔴 Hard | 3m 48s | Let a subsequence of nums be any sequence multiples. citeturn0searc… |
| 3674 | Minimum Operations to Equalize Array | 🟢 Easy | 51s | Let's go step by step and produce a fully detailed, reference-style… |
| 3675 | Minimum Operations to Transform String | 🟡 Medium | 2m 25s | We are given a string s consisting of lowercase English letters. An… |
| 3676 | Count Bowl Subarrays | 🟡 Medium | 54s | The problem asks us to count how many subarrays in an array of dist… |
| 3677 | Count Binary Palindromic Numbers | 🔴 Hard | 1m 9s | We are given a non-negative integer n and asked to count how many i… |
| 3679 | Minimum Discards to Balance Inventory | 🟡 Medium | 1m 20s | This problem models a stream of arriving items. On each day, exactl… |
| 3680 | Generate Schedule | 🟡 Medium | 1m 14s | The problem is asking us to generate a round-robin style schedule f… |
| 3681 | Maximum XOR of Subsequences | 🔴 Hard | 1m 26s | The problem gives us an array nums of non-negative integers. We mus… |
| 3682 | Minimum Index Sum of Common Elements | 🟡 Medium | 48s | This problem is asking us to identify the smallest sum of indices f… |
| 3683 | Earliest Time to Finish One Task | 🟢 Easy | 1m 12s | The problem gives us a list of tasks, where each task is represente… |
| 3684 | Maximize Sum of At Most K Distinct Elements | 🟢 Easy | 32s | This problem requires selecting at most k distinct elements from a … |
| 3685 | Subsequence Sum After Capping Elements | 🟡 Medium | 1m 2s | Here is a complete, rigorous study companion-style solution guide f… |
| 3686 | Number of Stable Subsequences | 🔴 Hard | 36s | The problem asks us to count how many subsequences of a given integ… |
| 3687 | Library Late Fee Calculator | 🟢 Easy | 3m 49s | Below is,000. This value is well within the limits of standard inte… |
| 3688 | Bitwise OR of Even Numbers in an Array | 🟢 Easy | 1m 32s | This problem asks us to compute the bitwise OR of all even numbers … |
| 3689 | Maximum Total Subarray Value I | 🟡 Medium | 56s | The problem asks us to select exactly k non-empty subarrays from a … |
| 3690 | Split and Merge Array Transformation | 🟡 Medium | 1m 33s | The problem gives us two arrays, nums1 and nums2, of equal length n… |
| 3691 | Maximum Total Subarray Value II | 🔴 Hard | 38s | The problem is asking us to select exactly k distinct subarrays fro… |
| 3692 | Majority Frequency Characters | 🟢 Easy | 1m 3s | The problem asks us to analyze the frequency distribution of charac… |
| 3693 | Climbing Stairs II | 🟡 Medium | 47s | This problem is an extension of the classic "climbing stairs" dynam… |
| 3694 | Distinct Points Reachable After Substring Removal | 🟡 Medium | 1m 29s | We are given a movement string s consisting of the four directions:… |
| 3695 | Maximize Alternating Sum Using Swaps | 🔴 Hard | 1m 31s | We are given an array nums and a list of allowed swap operations. T… |
| 3696 | Maximum Distance Between Unequal Words in Array I | 🟢 Easy | 1m 12s | The problem gives us an array of strings, words, and asks us to fin… |
| 3697 | Compute Decimal Representation | 🟢 Easy | 31s | This problem asks us to decompose a positive integer n into the few… |
| 3698 | Split Array With Minimum Difference | 🟡 Medium | 42s | I can write the full detailed guide, but I need to flag one issue f… |
| 3699 | Number of ZigZag Arrays I | 🔴 Hard | 1m 48s | Here is the complete technical solution guide for LeetCode 3699 - N… |
| 3700 | Number of ZigZag Arrays II | 🔴 Hard | 46s | The problem asks us to count the number of arrays of length n where… |
| 3702 | Longest Subsequence With Non-Zero Bitwise XOR | 🟡 Medium | 1m 18s | We are given an integer array nums, and we must determine the maxim… |
| 3703 | Remove K-Balanced Substrings | 🟡 Medium | 1m 24s | We are given a string s consisting only of '(' and ')', along with … |
| 3704 | Count No-Zero Pairs That Sum to N | 🔴 Hard | 41s | The problem asks us to count all pairs of positive integers (a, b) … |
| 3705 | Find Golden Hour Customers | 🟡 Medium | 1m 14s | This problem asks us to identify "golden hour customers" from a res… |
| 3706 | Maximum Distance Between Unequal Words in Array II | 🟡 Medium | 1m 30s | We are given an array of strings called words. Our goal is to find … |
| 3707 | Equal Score Substrings | 🟢 Easy | 53s | The problem asks us to determine if a given string s can be split i… |
| 3708 | Longest Fibonacci Subarray | 🟡 Medium | 1m 22s | The problem gives us an array nums consisting of positive integers … |
| 3709 | Design Exam Scores Tracker | 🟡 Medium | 49s | This problem asks us to design a system that tracks Alice's exam sc… |
| 3710 | Maximum Partition Factor | 🔴 Hard | 45s | The problem asks us to split a set of n points in a 2D Cartesian pl… |
| 3711 | Maximum Transactions Without Negative Balance | 🟡 Medium | 1m 1s | Here is a complete, detailed technical solution guide for LeetCode … |
| 3712 | Sum of Elements With Frequency Divisible by K | 🟢 Easy | 1m 6s | The problem asks us to compute the sum of all elements in the array… |
| 3714 | Longest Balanced Substring II | 🟡 Medium | 1m 8s | The problem gives us a string s that contains only three possible c… |
| 3715 | Sum of Perfect Square Ancestors | 🔴 Hard | 45s | This problem asks us to compute a sum across all non-root nodes in … |
| 3716 | Find Churn Risk Customers | 🟡 Medium | 1m 15s | This problem asks us to identify subscribers who appear likely to c… |
| 3717 | Minimum Operations to Make the Array Beautiful | 🟡 Medium | 54s | Here is the complete, detailed technical solution guide for LeetCod… |
| 3718 | Smallest Missing Multiple of K | 🟢 Easy | 44s | The problem asks us to find the smallest positive multiple of k tha… |
| 3720 | Lexicographically Smallest Permutation Greater Than Target | 🟡 Medium | 36s | Before I write the full guide, I want to verify one important detai… |
| 3721 | Longest Balanced Subarray II | 🔴 Hard | 50s | The problem requires us to find the length of the longest subarray … |
| 3722 | Lexicographically Smallest String After Reverse | 🟡 Medium | 40s | The problem asks us to find the lexicographically smallest string a… |
| 3723 | Maximize Sum of Squares of Digits | 🟡 Medium | 58s | The problem asks us to construct a positive integer n of exactly nu… |
| 3724 | Minimum Operations to Transform Array | 🟡 Medium | 46s | This problem asks us to transform an array nums1 of length n into a… |
| 3725 | Count Ways to Choose Coprime Integers from Rows | 🔴 Hard | 42s | The problem asks us to determine how many ways we can choose exactl… |
| 3726 | Remove Zeros in Decimal Representation | 🟢 Easy | 1m 5s | The problem gives us a positive integer n and asks us to remove eve… |
| 3727 | Maximum Alternating Sum of Squares | 🟡 Medium | 1m 27s | We are given an integer array nums, and we are allowed to rearrange… |
| 3728 | Stable Subarrays With Equal Boundary and Interior Sum | 🟡 Medium | 44s | The problem asks us to count stable subarrays in an integer array c… |
| 3729 | Count Distinct Subarrays Divisible by K in Sorted Array | 🔴 Hard | 47s | The problem asks us to find the number of distinct subarrays in a s… |
| 3730 | Maximum Calories Burnt from Jumps | 🟡 Medium | 1m 7s | The problem asks us to determine the maximum total calories that ca… |
| 3731 | Find Missing Elements | 🟢 Easy | 1m 5s | This problem asks us to reconstruct a missing sequence of integers … |
| 3733 | Minimum Time to Complete All Deliveries | 🟡 Medium | 35s | This is a long, structured reference document. To make sure I targe… |
| 3734 | Lexicographically Smallest Palindromic Permutation Greater Than Target | 🔴 Hard | 3m 48s | We are given two strings, s and target, of the same length n. The g… |
| 3736 | Minimum Moves to Equal Array Elements III | 🟢 Easy | 1m 1s | The problem asks us to determine the minimum number of moves requir… |
| 3737 | Count Subarrays With Majority Element I | 🟡 Medium | 1m 6s | Here is a comprehensive, detailed reference guide for LeetCode 3737… |
| 3738 | Longest Non-Decreasing Subarray After Replacing at Most One Element | 🟡 Medium | 4m 7s | assert Solution(). |
| 3739 | Count Subarrays With Majority Element II | 🔴 Hard | 57s | Here’s a complete, detailed technical solution guide for LeetCode 3… |
| 3741 | Minimum Distance Between Three Equal Elements II | 🟡 Medium | 2m 40s | The problem asks us to find three distinct indices (i, j, k) such t… |
| 3742 | Maximum Path Score in a Grid | 🟡 Medium | 48s | This problem presents a grid of size m x n where each cell contains… |
| 3743 | Maximize Cyclic Partition Score | 🔴 Hard | 1m 34s | We are given a cyclic array nums, which means the array is consider… |
| 3744 | Find Kth Character in Expanded String | 🟡 Medium | 1m 21s | The problem gives us a string s containing one or more lowercase wo… |
| 3745 | Maximize Expression of Three Elements | 🟢 Easy | 1m 10s | The problem gives us an integer array nums and asks us to choose th… |
| 3746 | Minimum String Length After Balanced Removals | 🟡 Medium | 36s | Before I write the full guide, I want to verify one detail because … |
| 3748 | Count Stable Subarrays | 🔴 Hard | 52s | The problem asks us to count "stable" subarrays within a given arra… |
| 3749 | Evaluate Valid Expressions | 🔴 Hard | 44s | The problem presents a simplified version of evaluating nested math… |
| 3750 | Minimum Number of Flips to Reverse Binary String | 🟢 Easy | 5m 55s | The problem gives us a positive integer n, and asks us to work with… |
| 3751 | Total Waviness of Numbers in Range I | 🟡 Medium | 1m 20s | This problem asks us to compute the total waviness of every integer… |
| 3754 | Concatenate Non-Zero Digits and Multiply by Sum I | 🟢 Easy | 1m 2s | The problem asks us to process an integer n and construct a new num… |
| 3755 | Find Maximum Balanced XOR Subarray Length | 🟡 Medium | 1m 25s | This problem asks us to find the longest contiguous subarray that s… |
| 3756 | Concatenate Non-Zero Digits and Multiply by Sum II | 🟡 Medium | 21s | Please provide the official LeetCode problem statement or confirm t… |
| 3757 | Number of Effective Subsequences | 🔴 Hard | 1m 7s | Here’s a complete, detailed technical guide for LeetCode 3757 - Num… |
| 3758 | Convert Number Words to Digits | 🟡 Medium | 56s | The problem asks us to parse a string s that contains lowercase Eng… |
| 3759 | Count Elements With at Least K Greater Values | 🟡 Medium | 1m 15s | The problem asks us to count how many elements in an array have at … |
| 3760 | Maximum Substrings With Distinct Start | 🟡 Medium | 1m 16s | The problem asks us to split a string into as many non-empty substr… |
| 3761 | Minimum Absolute Distance Between Mirror Pairs | 🟡 Medium | 2m 49s | We are given an integer array nums. A pair of indices (i, j) is cal… |
| 3762 | Minimum Operations to Equalize Subarrays | 🔴 Hard | 2m 11s | We are given an array nums and a fixed integer k. A single operatio… |
| 3763 | Maximum Total Sum with Threshold Constraints | 🟡 Medium | 52s | The problem gives you two integer arrays, nums and threshold, each … |
| 3764 | Most Common Course Pairs | 🔴 Hard | 1m 35s | The coursecompletions table records every course completed by every… |
| 3765 | Complete Prime Number | 🟡 Medium | 1m 19s | The problem gives us a positive integer num and asks whether it is … |
| 3766 | Minimum Operations to Make Binary Palindrome | 🟡 Medium | 43s | This problem asks us to find the minimum number of increment or dec… |
| 3767 | Maximize Points After Choosing K Tasks | 🟡 Medium | 1m 3s | The problem gives two integer arrays, technique1 and technique2, ea… |
| 3768 | Minimum Inversion Count in Subarrays of Fixed Length | 🔴 Hard | 1m 36s | We are given an array nums of length n and an integer k. For every … |
| 3769 | Sort Integers by Binary Reflection | 🟢 Easy | 41s | This problem asks us to sort an array of positive integers based on… |
| 3770 | Largest Prime from Consecutive Prime Sum | 🟡 Medium | 1m 26s | The problem gives us an integer n and asks us to find the largest p… |
| 3771 | Total Score of Dungeon Runs | 🟡 Medium | 55s | The problem describes a dungeon with n rooms, where entering room i… |
| 3772 | Maximum Subgraph Score in a Tree | 🔴 Hard | 52s | The problem asks us to compute, for each node in a tree, the maximu… |
| 3773 | Maximum Number of Equal Length Runs | 🟡 Medium | 59s | The problem asks us to analyze a string s consisting of lowercase E… |
| 3774 | Absolute Difference Between Maximum and Minimum K Elements | 🟢 Easy | 3m 7s | The problem asks us to calculate the absolute difference between th… |
| 3775 | Reverse Words With Same Vowel Count | 🟡 Medium | 48s | The problem requires processing a string s consisting of lowercase … |
| 3778 | Minimum Distance Excluding One Maximum Weighted Edge | 🟡 Medium | 1m 56s | We are given a connected, weighted, undirected graph with n nodes n… |
| 3779 | Minimum Number of Operations to Have Distinct Elements | 🟡 Medium | 1m 29s | The problem gives us an integer array nums and defines a very speci… |
| 3780 | Maximum Sum of Three Numbers Divisible by Three | 🟡 Medium | 1m 2s | Here is a comprehensive, detailed solution guide for LeetCode 3780 … |
| 3781 | Maximum Score After Binary Swaps | 🟡 Medium | 33s | Before I write the full guide, I need one clarification: can you co… |
| 3782 | Last Remaining Integer After Alternating Deletion Operations | 🔴 Hard | 29s | Before I write the full guide, I want to confirm one critical detai… |
| 3784 | Minimum Deletion Cost to Make All Characters Equal | 🟡 Medium | 47s | The problem asks us to minimize the total cost of deleting characte… |
| 3786 | Total Sum of Interaction Cost in Tree Groups | 🔴 Hard | 34s | I can do this, but I need the actual problem details for LeetCode 3… |
| 3788 | Maximum Score of a Split | 🟡 Medium | 57s | The problem asks us to maximize a "score" obtained by splitting an … |
| 3789 | Minimum Cost to Acquire Required Items | 🟡 Medium | 1m 8s | This problem asks us to determine the minimum cost required to acqu… |
| 3790 | Smallest All-Ones Multiple | 🟡 Medium | 1m 10s | This problem asks us to find the smallest positive integer composed… |
| 3791 | Number of Balanced Integers in a Range | 🔴 Hard | 55s | Here is the full, detailed technical solution guide for LeetCode 37… |
| 3792 | Sum of Increasing Product Blocks | 🟡 Medium | 1m 6s | The problem defines a sequence of blocks, where each block contains… |
| 3794 | Reverse String Prefix | 🟢 Easy | 1m 7s | This problem gives us a string s and an integer k. Our task is to r… |
| 3795 | Minimum Subarray Length With Distinct Sum At Least K | 🟡 Medium | 7m 19s | This problem asks us to find the shortest contiguous subarray whose… |
| 3799 | Word Squares II | 🟡 Medium | 5m 13s | We are given an array of distinct 4-letter words. Our goal is to co… |
| 3801 | Minimum Cost to Merge Sorted Lists | 🔴 Hard | 1m 34s | We are given between 2 and 12 sorted lists. At any moment we may ch… |
| 3802 | Number of Ways to Paint Sheets | 🔴 Hard | 43s | The problem asks us to compute the number of ways to paint n sheets… |
| 3803 | Count Residue Prefixes | 🟢 Easy | 19m 49s | The problem asks us to analyze prefixes of a string s and count how… |
| 3804 | Number of Centered Subarrays | 🟡 Medium | 50s | The problem asks us to count the number of centered subarrays in a … |
| 3805 | Count Caesar Cipher Pairs | 🟡 Medium | 1m 39s | We are given an array words containing n lowercase strings. Every s… |
| 3806 | Maximum Bitwise AND After Increment Operations | 🔴 Hard | 1m 14s | The problem asks us to find the maximum possible bitwise AND of any… |
| 3807 | Minimum Cost to Repair Edges to Traverse a Graph | 🟡 Medium | 54s | The problem presents an undirected graph with n nodes labeled from … |
| 3808 | Find Emotionally Consistent Users | 🟡 Medium | 1m 30s | This problem asks us to analyze user reactions and determine which … |
| 3811 | Number of Alternating XOR Partitions | 🟡 Medium | 2m 6s | We are given an array nums and two distinct target XOR values, targ… |
| 3812 | Minimum Edge Toggles on a Tree | 🔴 Hard | 1m 58s | We are given a tree with n nodes and n - 1 edges. Every node has a … |
| 3813 | Vowel-Consonant Score | 🟢 Easy | 1m 34s | The problem asks us to compute a score for a given string s. The st… |
| 3815 | Design Auction System | 🟡 Medium | 1m 47s | This problem asks us to design a real time auction system that supp… |
| 3816 | Lexicographically Smallest String After Deleting Duplicate Characters | 🔴 Hard | 1m 31s | We are given a string s consisting only of lowercase English letter… |
| 3817 | Good Indices in a Digit String | 🟡 Medium | 1m 37s | We are given a string s consisting only of decimal digits. The stri… |
| 3818 | Minimum Prefix Removal to Make Array Strictly Increasing | 🟡 Medium | 46s | The problem asks us to process an integer array nums and determine … |
| 3819 | Rotate Non Negative Elements | 🟡 Medium | 47s | The problem asks us to rotate only the non-negative elements of an … |
| 3821 | Find Nth Smallest Integer With K One Bits | 🔴 Hard | 37s | This problem asks us to find the nth smallest positive integer whos… |
| 3822 | Design Order Management System | 🟡 Medium | 1m 42s | This problem asks us to implement a small in-memory order managemen… |
| 3823 | Reverse Letters Then Special Characters in a String | 🟢 Easy | 1m 32s | This problem gives us a string s that contains two types of charact… |
| 3825 | Longest Strictly Increasing Subsequence With Non-Zero Bitwise AND | 🟡 Medium | 47s | This problem asks us to find the longest strictly increasing subseq… |
| 3826 | Minimum Partition Score | 🔴 Hard | 2m 10s | We are given an array nums and must divide it into exactly k contig… |
| 3827 | Count Monobit Integers | 🟢 Easy | 47s | The problem asks us to count Monobit integers from 0 to n. A Monobi… |
| 3828 | Final Element After Subarray Deletions | 🟡 Medium | 3m 38s | We are given an integer array nums. Two players, Alice and Bob, rep… |
| 3829 | Design Ride Sharing System | 🟡 Medium | 4m 5s | The problem asks us to design a ride sharing system that manages bo… |
| 3830 | Longest Alternating Subarray After Removing At Most One Element | 🔴 Hard | 2m 26s | The problem asks us to find the longest alternating subarray in a g… |
| 3832 | Find Users with Persistent Behavior Patterns | 🔴 Hard | 1m 14s | The activity table records user actions. Each row contains a userid… |
| 3833 | Count Dominant Indices | 🟢 Easy | 1m 30s | The problem gives us an integer array nums of length n. For every i… |
| 3834 | Merge Adjacent Equal Elements | 🟡 Medium | 2m 19s | The problem asks us to repeatedly merge adjacent equal elements in … |
| 3835 | Count Subarrays With Cost Less Than or Equal to K | 🟡 Medium | 2m 19s | We are given an array nums and an integer k. For every subarray num… |
| 3836 | Maximum Score Using Exactly K Pairs | 🔴 Hard | 2m 20s | We are given two arrays, nums1 of length n and nums2 of length m, a… |
| 3837 | Delayed Count of Equal Elements | 🟡 Medium | 46s | The problem requires computing a delayed count for each element in … |
| 3838 | Weighted Word Mapping | 🟢 Easy | 1m 33s | The problem provides two inputs: - words, an array of lowercase Eng… |
| 3839 | Number of Prefix Connected Groups | 🟡 Medium | 1m 29s | The problem gives us an array of strings words and an integer k. Tw… |
| 3840 | House Robber V | 🟡 Medium | 52s | The problem is a variation of the classic House Robber problem, but… |
| 3841 | Palindromic Path Queries in a Tree | 🔴 Hard | 1m 32s | We are given a tree with n nodes. Each node stores a lowercase Engl… |
| 3842 | Toggle Light Bulbs | 🟢 Easy | 1m 26s | The problem gives us an array bulbs, where each value represents a … |
| 3844 | Longest Almost-Palindromic Substring | 🟡 Medium | 2m 6s | We are given a string s consisting of lowercase English letters. We… |
| 3845 | Maximum Subarray XOR with Bounded Range | 🔴 Hard | 40s | The problem asks us to find a subarray of a given non-negative inte… |
| 3846 | Total Distance to Type a String Using One Finger | 🟡 Medium | 1m 27s | This problem asks us to calculate the total finger movement require… |
| 3847 | Find the Score Difference in a Game | 🟡 Medium | 1m 4s | This problem describes a game played over a sequence of rounds. The… |
| 3848 | Check Digitorial Permutation | 🟡 Medium | 43s | The problem asks us to determine whether any permutation of the dig… |
| 3850 | Count Sequences to K | 🔴 Hard | 2m | We start with a value val = 1 and process the array from left to ri… |
| 3851 | Maximum Requests Without Violating the Limit | 🟡 Medium | 1m 25s | We are given a list of requests, where each request consists of a u… |
| 3852 | Smallest Pair With Different Frequencies | 🟢 Easy | 1m 29s | This problem gives us an integer array nums and asks us to find a p… |
| 3853 | Merge Close Characters | 🟡 Medium | 55s | The problem asks us to repeatedly merge close, equal characters in … |
| 3854 | Minimum Operations to Make Array Parity Alternating | 🟡 Medium | 2m 18s | We are given an integer array nums. An array is called parity alter… |
| 3855 | Sum of K-Digit Numbers in a Range | 🔴 Hard | 1m 12s | We are given three integers l, r, and k. For every digit position, … |
| 3856 | Trim Trailing Vowels | 🟢 Easy | 1m 24s | This problem asks us to remove all vowels that appear at the end of… |
| 3857 | Minimum Cost to Split into Ones | 🟡 Medium | 1m 14s | We are given a single integer n. Starting with this integer, we rep… |
| 3858 | Minimum Bitwise OR From Grid | 🟡 Medium | 1m 52s | We are given an m x n grid of positive integers. From each row, we … |
| 3860 | Unique Email Groups | 🟡 Medium | 1m 17s | This problem asks us to determine how many distinct email groups ex… |
| 3862 | Find the Smallest Balanced Index | 🟡 Medium | 1m 33s | We are given an integer array nums, and we need to find the smalles… |
| 3863 | Minimum Operations to Sort a String | 🟡 Medium | 57s | This problem is asking us to determine the minimum number of substr… |
| 3864 | Minimum Cost to Partition a Binary String | 🔴 Hard | 1m 26s | We are given a binary string s, where each character represents whe… |
| 3865 | Reverse K Subarrays | 🟡 Medium | 57s | The problem asks us to take an integer array nums of length n and d… |
| 3866 | First Unique Even Element | 🟢 Easy | 56s | The problem asks us to find the first even integer in an array that… |
| 3867 | Sum of GCD of Formed Pairs | 🟡 Medium | 1m 28s | We are given an integer array nums of length n. For every index i, … |
| 3868 | Minimum Cost to Equalize Arrays Using Swaps | 🟡 Medium | 55s | The problem requires us to make two integer arrays nums1 and nums2 … |
| 3869 | Count Fancy Numbers in a Range | 🔴 Hard | 2m 40s | We are given two integers l and r, and we must count how many integ… |
| 3870 | Count Commas in Range | 🟢 Easy | 1m 15s | The problem asks us to count how many commas appear when writing ev… |
| 3871 | Count Commas in Range II | 🟡 Medium | 1m 3s | The problem asks us to count the total number of commas that appear… |
| 3872 | Longest Arithmetic Sequence After Changing At Most One Element | 🟡 Medium | 43s | The problem requires us to find the longest arithmetic subarray fro… |
| 3873 | Maximum Points Activated with One Addition | 🔴 Hard | 44s | The problem is asking us to simulate a chain reaction of activation… |
| 3875 | Construct Uniform Parity Array I | 🟢 Easy | 39s | The problem asks us to determine if it is possible to construct a n… |
| 3876 | Construct Uniform Parity Array II | 🟡 Medium | 51s | The problem asks us to determine whether we can construct a new arr… |
| 3877 | Minimum Removals to Achieve Target XOR | 🟡 Medium | 2m 3s | We are given an array nums and a target value target. We may remove… |
| 3878 | Count Good Subarrays | 🔴 Hard | 2m 39s | We are given an integer array nums, and we must count how many suba… |
| 3879 | Maximum Distinct Path Sum in a Binary Tree | 🟡 Medium | 47s | The problem asks us to find the maximum sum of node values along a … |
| 3880 | Minimum Absolute Difference Between Two Values | 🟢 Easy | 1m 37s | The problem gives us an integer array nums where every element is g… |
| 3881 | Direction Assignments with Exactly K Visible People | 🟡 Medium | 1m 11s | We are given n people standing in a line, indexed from 0 to n - 1. … |
| 3882 | Minimum XOR Path in a Grid | 🟡 Medium | 1m 33s | We are given an m × n grid of integers. Starting from the top-left … |
| 3883 | Count Non Decreasing Arrays With Given Digit Sums | 🔴 Hard | 39s | The problem asks us to compute the number of non-decreasing arrays … |
| 3884 | First Matching Character From Both Ends | 🟢 Easy | 1m 23s | This problem gives us a string s of length n consisting of lowercas… |
| 3885 | Design Event Manager | 🟡 Medium | 1m 10s | The problem asks us to design an EventManager class that manages a … |
| 3889 | Mirror Frequency Distance | 🟡 Medium | 1m 12s | We are given a string s containing only lowercase English letters (… |
| 3890 | Integers With Multiple Sum of Two Cubes | 🟡 Medium | 55s | The problem asks us to find all integers x less than or equal to a … |