LeetCode

LeetCode Algorithm

#	Title	Solution	Difficulty
1	Two Sum	Java	Easy
2	Add Two Numbers	Java	Medium
6	ZigZag Conversion	Java	Medium
4	Median of Two Sorted Arrays	Java	Hard
10	Regular Expression Matching	Java	Hard
11	Container With Most Water	Java	Medium
13	Roman to Integer	Java	Easy
17	Letter Combinations of a Phone Number	Java	Medium
22	Generate Parentheses	Java	Medium
30	Substring with Concatenation of All Words	Java	Hard
32	Longest Valid Parentheses	Java	Hard
42	Trapping Rain Water	Java	Hard
43	Multiply Strings	Java	Medium
53	Maximum Subarray	Java	Easy
55	Jump Game	Java	Medium
72	Edit Distance	Java	Hard
73	Set Matrix Zeroes	Java	Medium
74	Search a 2D Matrix	Java	Medium
76	Minimum Window Substring	Java	Hard
81	Search in Rotated Sorted Array II	Java	Medium
84	Largest Rectangle in Histogram	Java	Hard
85	Maximal Rectangle	Java	Hard
87	Scramble String	Java	Hard
91	Decode Ways	Java	Medium
94	Binary Tree Inorder Traversal	Java	Medium
97	Interleaving String	Java	Hard
114	Flatten Binary Tree to Linked List	Java	Medium
115	Distinct Subsequences	Java	Hard
116	Populating Next Right Pointers in Each Node	Java	Medium
118	Pascal's Triangle	Java	Easy
119	Pascal's Triangle II	Java	Easy
120	Triangle	Java	Hard
127	Word Ladder	Java	Medium
130	Surrounded Regions	Java	Medium
133	Clone Graph	Java	Medium
137	Single Number II	Java	Medium
138	Copy List with Random Pointer	Java	Medium
139	Word Break	Java	Medium
140	Word Break II	Java	Hard
145	Binary Tree Postorder Traversal	Java	Hard
146	LRU Cache	Java	Hard
147	Insertion Sort List	Java	Medium
148	Sort List	Java	Medium
149	Max Points on a Line	Java	Hard
152	Maximum Product Subarray	Java	Medium
153	Find Minimum in Rotated Sorted Array	Java	Hard
154	Find Minimum in Rotated Sorted Array II	Java	Hard
174	Dungeon Game	Java	Medium
200	Number of Islands	Java	Medium
204	Count Primes	Java	Easy
205	Isomorphic Strings	Java	Easy
207	Course Schedule	Java	Medium
208	Implement Trie (Prefix Tree)	Java	Medium
210	Course Schedule II	Java	Medium
221	Maximal Square	Java	Medium
234	Palindrome Linked List	Java	Easy
239	Sliding Window Maximum	Java	Hard
241	Different Ways to Add Parentheses	Java	Medium
258	Add Digits	Java	Easy
278	First Bad Version	Java	Easy
287	Find the Duplicate Number	Java	Medium
297	Serialize and Deserialize Binary Tree	Java	Hard
300	Longest Increasing Subsequence	Java	Medium
303	Range Sum Query - Immutable	Java	Easy
321	Create Maximum Number	Java	Hard
341	Flatten Nested List Iterator	Java	Medium
376	Wiggle Subsequence	Java	Medium
378	Kth Smallest Element in a Sorted Matrix	Java	Medium
392	Is Subsequence	Java	Medium
399	Evaluate Division	Java	Medium
416	Partition Equal Subset Sum	Java	Medium
435	Non-overlapping Intervals	Java	Medium
455	Assign Cookies	Java	Easy
494	Target Sum	Java	Medium
540	Single Element in a Sorted Array	Java	Medium
547	Friend Circles	Java	Medium
560	Subarray Sum Equals K	Java	Medium
606	Construct String from Binary Tree	Java	Easy
633	Sum of Square Numbers	Java	Easy
639	Decode Ways II	Java	Hard
648	Replace Words	Java	Medium
669	Trim a Binary Search Tree	Java	Easy
671	Second Minimum Node In a Binary Tree	Java	Easy
668	Kth Smallest Number in Multiplication Table	Java	Hard
675	Cut Off Trees for Golf Event	Java	Hard
676	Implement Magic Dictionary	Java	Medium
684	Redundant Connection	Java	Medium
724	Find Pivot Index	Java	Easy
744	Find Smallest Letter Greater Than Target	Java	Easy
746	Min Cost Climbing Stairs	Java	Easy
778	Swim in Rising Water	Java	Hard
785	Is Graph Bipartite	Java	Medium
790	Domino and Tromino Tiling	Java	Medium
799	Champagne Tower	Java	Medium
859	Buddy Strings	Java	Easy
898	Bitwise ORs of Subarrays	Java	Medium
926	Flip String to Monotone Increasing	Java	Medium