leetcode

LeetCode Topics

Tree


0100-same-tree
0102-binary-tree-level-order-traversal
0111-minimum-depth-of-binary-tree
1079-sum-of-root-to-leaf-binary-numbers

Depth-First Search


0100-same-tree
0111-minimum-depth-of-binary-tree
1079-sum-of-root-to-leaf-binary-numbers

Breadth-First Search


0100-same-tree
0102-binary-tree-level-order-traversal
0111-minimum-depth-of-binary-tree

Binary Tree


0100-same-tree
0102-binary-tree-level-order-traversal
0111-minimum-depth-of-binary-tree
1079-sum-of-root-to-leaf-binary-numbers

Array


0064-minimum-path-sum
0697-degree-of-an-array
2714-left-and-right-sum-differences
3044-minimum-operations-to-collect-elements

Hash Table


0697-degree-of-an-array
3044-minimum-operations-to-collect-elements

Bit Manipulation


3044-minimum-operations-to-collect-elements

Prefix Sum


2714-left-and-right-sum-differences

Dynamic Programming


0064-minimum-path-sum

Matrix


0064-minimum-path-sum

Two Pointers


0344-reverse-string

String


0344-reverse-string

Name		Name	Last commit message	Last commit date
Latest commit History 409 Commits
0050-powx-n		0050-powx-n
0053-maximum-subarray		0053-maximum-subarray
0064-minimum-path-sum		0064-minimum-path-sum
0066-plus-one		0066-plus-one
0094-binary-tree-inorder-traversal		0094-binary-tree-inorder-traversal
0096-unique-binary-search-trees		0096-unique-binary-search-trees
0100-same-tree		0100-same-tree
0102-binary-tree-level-order-traversal		0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree		0104-maximum-depth-of-binary-tree
0108-convert-sorted-array-to-binary-search-tree		0108-convert-sorted-array-to-binary-search-tree
0110-balanced-binary-tree		0110-balanced-binary-tree
0111-minimum-depth-of-binary-tree		0111-minimum-depth-of-binary-tree
0117-populating-next-right-pointers-in-each-node-ii		0117-populating-next-right-pointers-in-each-node-ii
0118-pascals-triangle		0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0122-best-time-to-buy-and-sell-stock-ii		0122-best-time-to-buy-and-sell-stock-ii
0144-binary-tree-preorder-traversal		0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal		0145-binary-tree-postorder-traversal
0179-largest-number		0179-largest-number
0199-binary-tree-right-side-view		0199-binary-tree-right-side-view
0344-reverse-string		0344-reverse-string
0389-find-the-difference		0389-find-the-difference
0682-baseball-game		0682-baseball-game
0697-degree-of-an-array		0697-degree-of-an-array
10-Regular-Expression-Matching		10-Regular-Expression-Matching
1079-sum-of-root-to-leaf-binary-numbers		1079-sum-of-root-to-leaf-binary-numbers
121-Best-Time-to-Buy-and-Sell-Stock		121-Best-Time-to-Buy-and-Sell-Stock
122-Best-Time-to-Buy-and-Sell-Stock-II		122-Best-Time-to-Buy-and-Sell-Stock-II
123-Best-Time-to-Buy-and-Sell-Stock-III		123-Best-Time-to-Buy-and-Sell-Stock-III
126-Word-Ladder-II		126-Word-Ladder-II
127-Word-Ladder		127-Word-Ladder
1287-distance-between-bus-stops		1287-distance-between-bus-stops
1378-cells-with-odd-values-in-a-matrix		1378-cells-with-odd-values-in-a-matrix
1411-convert-binary-number-in-a-linked-list-to-integer		1411-convert-binary-number-in-a-linked-list-to-integer
149-Max-Points-on-a-Line		149-Max-Points-on-a-Line
150-Evaluate-Reverse-Polish-Notation		150-Evaluate-Reverse-Polish-Notation
1683-maximum-number-of-coins-you-can-get		1683-maximum-number-of-coins-you-can-get
1698-replace-all-s-to-avoid-consecutive-repeating-characters		1698-replace-all-s-to-avoid-consecutive-repeating-characters
1742-widest-vertical-area-between-two-points-containing-no-points		1742-widest-vertical-area-between-two-points-containing-no-points
1833-find-the-highest-altitude		1833-find-the-highest-altitude
188-Best-Time-to-Buy-and-Sell-Stock-IV		188-Best-Time-to-Buy-and-Sell-Stock-IV
20-Valid-Parentheses		20-Valid-Parentheses
204-Count-Primes		204-Count-Primes
207-Course-Schedule		207-Course-Schedule
2083-three-divisors		2083-three-divisors
210-Course-Schedule-II		210-Course-Schedule-II
218-The-Skyline-Problem		218-The-Skyline-Problem
221-Maximal-Square		221-Maximal-Square
224-Basic-Calculator		224-Basic-Calculator
227-Basic-Calculator-II		227-Basic-Calculator-II
228-Summary-Ranges		228-Summary-Ranges
2293-minimum-number-of-steps-to-make-two-strings-anagram-ii		2293-minimum-number-of-steps-to-make-two-strings-anagram-ii
2361-calculate-digit-sum-of-a-string		2361-calculate-digit-sum-of-a-string
2377-check-if-number-has-equal-digit-count-and-digit-value		2377-check-if-number-has-equal-digit-count-and-digit-value
2384-root-equals-sum-of-children		2384-root-equals-sum-of-children
241-Different-Ways-to-Add-Parentheses		241-Different-Ways-to-Add-Parentheses
2481-strictly-palindromic-number		2481-strictly-palindromic-number
2491-smallest-even-multiple		2491-smallest-even-multiple
2492-length-of-the-longest-alphabetical-continuous-substring		2492-length-of-the-longest-alphabetical-continuous-substring
2528-number-of-valid-clock-times		2528-number-of-valid-clock-times
2640-maximum-number-of-integers-to-choose-from-a-range-i		2640-maximum-number-of-integers-to-choose-from-a-range-i
2714-left-and-right-sum-differences		2714-left-and-right-sum-differences
28-Implement-strStr()		28-Implement-strStr()
282-Expression-Add-Operators		282-Expression-Add-Operators
2871-double-a-number-represented-as-a-linked-list		2871-double-a-number-represented-as-a-linked-list
2876-number-of-employees-who-met-the-target		2876-number-of-employees-who-met-the-target
2902-max-pair-sum-in-an-array		2902-max-pair-sum-in-an-array
30-Substring-with-Concatenation-of-All-Words		30-Substring-with-Concatenation-of-All-Words
301-Remove-Invalid-Parentheses		301-Remove-Invalid-Parentheses
303-Range-Sum-Query---Immutable		303-Range-Sum-Query---Immutable
3044-minimum-operations-to-collect-elements		3044-minimum-operations-to-collect-elements
306-Additive-Number		306-Additive-Number
307-Range-Sum-Query---Mutable		307-Range-Sum-Query---Mutable
315-Count-of-Smaller-Numbers-After-Self		315-Count-of-Smaller-Numbers-After-Self
316-Remove-Duplicate-Letters		316-Remove-Duplicate-Letters
324-Wiggle-Sort-II		324-Wiggle-Sort-II
327-Count-of-Range-Sum		327-Count-of-Range-Sum
330-Patching-Array		330-Patching-Array
332-Reconstruct-Itinerary		332-Reconstruct-Itinerary
335-Self-Crossing		335-Self-Crossing
336-Palindrome-Pairs		336-Palindrome-Pairs
352-Data-Stream-as-Disjoint-Intervals		352-Data-Stream-as-Disjoint-Intervals
354-Russian-Doll-Envelopes		354-Russian-Doll-Envelopes
363-Max-Sum-of-Rectangle-No-Larger-Than-K		363-Max-Sum-of-Rectangle-No-Larger-Than-K
373-Find-K-Pairs-with-Smallest-Sums		373-Find-K-Pairs-with-Smallest-Sums
374-Guess-Number-Higher-or-Lower		374-Guess-Number-Higher-or-Lower
375-Guess-Number-Higher-or-Lower-II		375-Guess-Number-Higher-or-Lower-II
376-Wiggle-Subsequence		376-Wiggle-Subsequence
377-Combination-Sum-IV		377-Combination-Sum-IV
378-Kth-Smallest-Element-in-a-Sorted-Matrix		378-Kth-Smallest-Element-in-a-Sorted-Matrix
380-Insert-Delete-GetRandom-O(1)		380-Insert-Delete-GetRandom-O(1)
381-Insert-Delete-GetRandom-O(1)---Duplicates-allowed		381-Insert-Delete-GetRandom-O(1)---Duplicates-allowed
382-Linked-List-Random-Node		382-Linked-List-Random-Node
383-Ransom-Note		383-Ransom-Note
384-Shuffle-an-Array		384-Shuffle-an-Array
385-Mini-Parser		385-Mini-Parser
45-Jump-Game-II		45-Jump-Game-II
55-Jump-Game		55-Jump-Game
56-Merge-Intervals		56-Merge-Intervals
57-Insert-Interval		57-Insert-Interval

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