Name	Name	Last commit message	Last commit date
Latest commit peihenglyu 633 Sum of Square Numbers.py Jun 17, 2024 082609e · Jun 17, 2024 History 119 Commits
1 Two Sum.py	1 Two Sum.py	1 Two Sum.py Better Solution	Oct 9, 2023
10 Regular Expression Matching.py	10 Regular Expression Matching.py	128 Longest Consecutive Sequence.py	Jan 4, 2024
100 Same Tree.py	100 Same Tree.py	100 Same Tree.py	Oct 14, 2023
101 Symmetric Tree.py	101 Symmetric Tree.py	101 Symmetric Tree.py	Oct 14, 2023
102 Binary Tree Level Order Traversal.py	102 Binary Tree Level Order Traversal.py	102 Binary Tree Level Order Traversal.py	Oct 15, 2023
104 Maximum Depth of Binary Tree.py	104 Maximum Depth of Binary Tree.py	104 Maximum Depth of Binary Tree.py	Oct 14, 2023
1041 Robot Bounded In Circle.py	1041 Robot Bounded In Circle.py	560 Subarray Sum Equals K.py	Jan 18, 2024
108 Convert Sorted Array to Binary Search Tree.py	108 Convert Sorted Array to Binary Search Tree.py	v2 108 Convert Sorted Array to Binary Search Tree	Oct 30, 2023
118 Pascal's Triangle.py	118 Pascal's Triangle.py	118 Pascal's Triangle.py	Dec 31, 2023
1207 Unique Number of Occurrences.py	1207 Unique Number of Occurrences.py	1207 Unique Number of Occurrences.py	Jan 10, 2024
121. Best Time to Buy and Sell Stock.js	121. Best Time to Buy and Sell Stock.js	121. Best Time to Buy and Sell Stock.js	Mar 20, 2024
1235 Maximum Profit in Job Scheduling.py	1235 Maximum Profit in Job Scheduling.py	1235 Maximum Profit in Job Scheduling.py	Jan 19, 2024
1249 Minimum Remove to Make Valid Parentheses.py	1249 Minimum Remove to Make Valid Parentheses.py	1249 Minimum Remove to Make Valid Parentheses.py	Jan 13, 2024
128 Longest Consecutive Sequence.py	128 Longest Consecutive Sequence.py	146 LRU Cache.py	May 11, 2024
1287 Element Appearing More Than 25% In Sorted Array.py	1287 Element Appearing More Than 25% In Sorted Array.py	1287 Element Appearing More Than 25% In Sorted Array.py	Feb 18, 2024
130 Surrounded Regions.py	130 Surrounded Regions.py	130 Surrounded Regions.py	Oct 23, 2023
131 Palindrome Partitioning.py	131 Palindrome Partitioning.py	2597 The Number of Beautiful Subsets.py	May 24, 2024
1326 Minimum Number of Taps to Open to Water a Garden.py	1326 Minimum Number of Taps to Open to Water a Garden.py	1326 Minimum Number of Taps to Open to Water a Garden.py	Jan 6, 2024
133 Clone Graph.py	133 Clone Graph.py	133 Clone Graph.py	Oct 23, 2023
138 Copy List with Random Pointer.py	138 Copy List with Random Pointer.py	138 Copy List with Random Pointer.py	Oct 11, 2023
139 Word Break.py	139 Word Break.py	139 Word Break.py	Apr 23, 2024
141 Linked List Cycle.py	141 Linked List Cycle.py	141 Linked List Cycle.py	Oct 11, 2023
146 LRU Cache.py	146 LRU Cache.py	146 LRU Cache.py	May 11, 2024
148 Sort List.py	148 Sort List.py	148 Sort List.py	Jan 16, 2024
1492 The kth Factor of n.py	1492 The kth Factor of n.py	1492 The kth Factor of n.py	Nov 15, 2023
15 3Sum.py	15 3Sum.py	912 Sort an Array.py	May 7, 2024
150 Evaluate Reverse Polish Notation.py	150 Evaluate Reverse Polish Notation.py	150 Evaluate Reverse Polish Notation.py	Dec 24, 2023
155 Min Stack.py	155 Min Stack.py	155 Min Stack.py	Oct 11, 2023
1570 Dot Product of Two Sparse Vectors.py	1570 Dot Product of Two Sparse Vectors.py	1570 Dot Product of Two Sparse Vectors.py	Feb 13, 2024
16 3Sum Closest.py	16 3Sum Closest.py	16 3Sum Closest.py	May 2, 2024
162 Find Peak Element.py	162 Find Peak Element.py	162 Find Peak Element.py	Feb 17, 2024
1647 Minimum Deletions to Make Character Frequencies Unique.py	1647 Minimum Deletions to Make Character Frequencies Unique.py	1647 Minimum Deletions to Make Character Frequencies Unique.py	Feb 12, 2024
17 Letter Combinations of a Phone Number.py	17 Letter Combinations of a Phone Number.py	17 Letter Combinations of a Phone Number.py	Jan 22, 2024
1768 Merge Strings Alternately.py	1768 Merge Strings Alternately.py	1768 Merge Strings Alternately.py	Jan 6, 2024
19 Remove Nth Node From End of List.py	19 Remove Nth Node From End of List.py	19 Remove Nth Node From End of List.py	Oct 14, 2023
198 House Robber.py	198 House Robber.py	198 House Robber.py	Feb 19, 2024
199 Binary Tree Right Side View.py	199 Binary Tree Right Side View.py	199 Binary Tree Right Side View.py	Jun 15, 2024
2 Add Two Numbers.py	2 Add Two Numbers.py	2 Add Two Numbers.py	Oct 11, 2023
20 Valid Parentheses.py	20 Valid Parentheses.py	20 Valid Parentheses.py	Oct 10, 2023
200 Number of Islands.py	200 Number of Islands.py	200 Number of Islands.py	Oct 22, 2023
202 Happy Number.py	202 Happy Number.py	101 Symmetric Tree.py	Oct 14, 2023
2038 Remove Colored Pieces if Both Neighbors are the Same Color.py	2038 Remove Colored Pieces if Both Neighbors are the Same Color.py	2038 Remove Colored Pieces if Both Neighbors	Jan 6, 2024
205 Isomorphic Strings.py	205 Isomorphic Strings.py	205 Isomorphic Strings.py	Oct 7, 2023
2055 Plates Between Candles.py	2055 Plates Between Candles.py	128 Longest Consecutive Sequence.py	Jan 4, 2024
21 Merge Two Sorted Lists.py	21 Merge Two Sorted Lists.py	21 Merge Two Sorted Lists.py	Oct 11, 2023
215 Kth Largest Element in an Array.py	215 Kth Largest Element in an Array.py	3 Longest Substring Without Repeating Characters.py	May 5, 2024
217 Contains Duplicate.py	217 Contains Duplicate.py	17 Letter Combinations of a Phone Number.py	Jan 22, 2024
219 Contains Duplicate II.py	219 Contains Duplicate II.py	219 Contains Duplicate II.py	Dec 25, 2023
22 Generate Parentheses.py	22 Generate Parentheses.py	22 Generate Parentheses.py	Dec 30, 2023
2235 Add Two Integers.py	2235 Add Two Integers.py	2235 Add Two Integers.py	Jan 7, 2024
226 Invert Binary Tree.py	226 Invert Binary Tree.py	226 Invert Binary Tree.py	Oct 14, 2023
228 Summary Ranges.py	228 Summary Ranges.py	228 Summary Ranges.py	Oct 9, 2023
230 Kth Smallest Element in a BST.py	230 Kth Smallest Element in a BST.py	230 Kth Smallest Element in a BST.py	Oct 21, 2023
2405 Optimal Partition of String.py	2405 Optimal Partition of String.py	1492 The kth Factor of n.py	Nov 15, 2023
242 Valid Anagram.py	242 Valid Anagram.py	242 Valid Anagram.py	Dec 26, 2023
25 Reverse Nodes in k-Group.py	25 Reverse Nodes in k-Group.py	3 Longest Substring Without Repeating Characters.py	May 5, 2024
253 Meeting Rooms II.py	253 Meeting Rooms II.py	253 Meeting Rooms II.py	Jan 20, 2024
2597 The Number of Beautiful Subsets.py	2597 The Number of Beautiful Subsets.py	2597 The Number of Beautiful Subsets.py	May 24, 2024
2771 Longest Non-decreasing Subarray From Two Arrays.py	2771 Longest Non-decreasing Subarray From Two Arrays.py	2771 Longest Non-decreasing Subarray From Two Arrays.py	Jan 13, 2024
2781 Length of the Longest Valid Substring.py	2781 Length of the Longest Valid Substring.py	2781 Length of the Longest Valid Substring.py	Jan 10, 2024
283 Move Zeroes.py	283 Move Zeroes.py	283 Move Zeroes.py	Feb 21, 2024
2870 Minimum Number of Operations to Make Array Empty.py	2870 Minimum Number of Operations to Make Array Empty.py	2870 Minimum Number of Operations to Make Array Empty.py	Feb 22, 2024
290 Word Pattern.py	290 Word Pattern.py	290 Word Pattern.py	Oct 7, 2023
3 Longest Substring Without Repeating Characters.py	3 Longest Substring Without Repeating Characters.py	3 Longest Substring Without Repeating Characters.py	May 5, 2024
30 Substring with Concatenation of All Words.py	30 Substring with Concatenation of All Words.py	30 Substring with Concatenation of All Words.py	Dec 22, 2023
31 Next Permutation.py	31 Next Permutation.py	31 Next Permutation.py	Jan 2, 2024
316 Remove Duplicate Letters.py	316 Remove Duplicate Letters.py	2870 Minimum Number of Operations to Make Array Empty.py	Feb 22, 2024
322 Coin Change.py	322 Coin Change.py	322 Coin Change.py	Apr 24, 2024
33 Search in Rotated Sorted Array.py	33 Search in Rotated Sorted Array.py	33 Search in Rotated Sorted Array.py	Nov 16, 2023
34 Find First and Last Position of Element in Sorted Array.py	34 Find First and Last Position of Element in Sorted Array.py	34 Find First and Last Position of Element in Sorted Array.py	Feb 25, 2024
343 Integer Break.py	343 Integer Break.py	343 Integer Break.py	Jan 10, 2024
347 Top K Frequent Elements.py	347 Top K Frequent Elements.py	347 Top K Frequent Elements.py	Jun 16, 2024
35 Search Insert Position.py	35 Search Insert Position.py	35 Search Insert Position.py	Nov 15, 2023
36 Valid Sudoku.py	36 Valid Sudoku.py	36 Valid Sudoku	Oct 6, 2023
383 Ransom Note.py	383 Ransom Note.py	383 Ransom Note	Oct 7, 2023
39 Combination Sum.py	39 Combination Sum.py	77 Combinations.py	May 3, 2024
4 Median of Two Sorted Arrays.py	4 Median of Two Sorted Arrays.py	7 Reverse Integer.py	Dec 30, 2023
403 Frog Jump.py	403 Frog Jump.py	403 Frog Jump.py	Jan 15, 2024
412 Fizz Buzz.py	412 Fizz Buzz.py	412 Fizz Buzz.py	Jan 7, 2024
416 Partition Equal Subset Sum.py	416 Partition Equal Subset Sum.py	416 Partition Equal Subset Sum.py	May 3, 2024
42 Trapping Rain Water.py	42 Trapping Rain Water.py	42 Trapping Rain Water.py	Dec 31, 2023
433 Minimum Genetic Mutation.py	433 Minimum Genetic Mutation.py	433 Minimum Genetic Mutation.py	Oct 28, 2023
46 Permutations.py	46 Permutations.py	77 Combinations.py	May 3, 2024
48 Rotate Image.py	48 Rotate Image.py	48 Rotate Image.py	Jan 24, 2024
486 Predict the Winner.py	486 Predict the Winner.py	1768 Merge Strings Alternately.py	Jan 6, 2024
49 Group Anagrams.py	49 Group Anagrams.py	49 Group Anagrams.py	Oct 7, 2023
5 Longest Palindromic Substring.py	5 Longest Palindromic Substring.py	146 LRU Cache.py	May 11, 2024
528 Random Pick with Weight.py	528 Random Pick with Weight.py	528 Random Pick with Weight.py	Feb 11, 2024
53 Maximum Subarray.py	53 Maximum Subarray.py	53 Maximum Subarray.py	Jan 21, 2024
530 Minimum Absolute Difference in BST.py	530 Minimum Absolute Difference in BST.py	530 Minimum Absolute Difference in BST.py	Oct 20, 2023
54 Spiral Matrix.py	54 Spiral Matrix.py	54 Spiral Matrix	Oct 6, 2023
55 Jump Game.py	55 Jump Game.py	16 3Sum Closest.py	May 2, 2024
56 Merge Intervals.py	56 Merge Intervals.py	56 Merge Intervals.py	Oct 9, 2023
560 Subarray Sum Equals K.py	560 Subarray Sum Equals K.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
57 Insert Interval.py	57 Insert Interval.py	57 Insert Interval.py	Oct 9, 2023
61 Rotate List.py	61 Rotate List.py	61 Rotate List.py	Dec 24, 2023
633 Sum of Square Numbers.py	633 Sum of Square Numbers.py	633 Sum of Square Numbers.py	Jun 17, 2024
637 Average of Levels in Binary Tree.py	637 Average of Levels in Binary Tree.py	637 Average of Levels in Binary Tree.py	Oct 15, 2023
680 Valid Palindrome II.py	680 Valid Palindrome II.py	680 Valid Palindrome II.py	Jan 23, 2024
7 Reverse Integer.py	7 Reverse Integer.py	7 Reverse Integer.py	Dec 30, 2023
70 Climbing Stairs.py	70 Climbing Stairs.py	70 Climbing Stairs.py	Jan 10, 2024
71 Simplify Path.py	71 Simplify Path.py	71 Simplify Path.py	Oct 11, 2023
72 Edit Distance.py	72 Edit Distance.py	2597 The Number of Beautiful Subsets.py	May 24, 2024
76 Minimum Window Substring.py	76 Minimum Window Substring.py	76 Minimum Window Substring.py	Dec 23, 2023
767 Reorganize String.py	767 Reorganize String.py	767 Reorganize String.py	Jan 12, 2024
77 Combinations.py	77 Combinations.py	77 Combinations.py	May 3, 2024
780 Reaching Points.py	780 Reaching Points.py	780 Reaching Points.py	Jan 8, 2024
82 Remove Duplicates from Sorted List II.py	82 Remove Duplicates from Sorted List II.py	82 Remove Duplicates from Sorted List II.py	Dec 23, 2023
849 Maximize Distance to Closest Person.py	849 Maximize Distance to Closest Person.py	v2 849 Maximize Distance to Closest Person.py	Feb 23, 2024
88 Merge Sorted Array.py	88 Merge Sorted Array.py	88 Merge Sorted Array.py	Dec 31, 2023
880 Decoded String at Index.py	880 Decoded String at Index.py	880 Decoded String at Index.py	Feb 14, 2024
9 Palindrome Number.py	9 Palindrome Number.py	9 Palindrome Number.py	Jan 4, 2024
909 Snakes and Ladders.py	909 Snakes and Ladders.py	909 Snakes and Ladders.py	Oct 28, 2023
912 Sort an Array.py	912 Sort an Array.py	912 Sort an Array.py	May 7, 2024
92 Reverse Linked List II.py	92 Reverse Linked List II.py	25 Reverse Nodes in k-Group.py	Oct 14, 2023
920 Number of Music Playlists.py	920 Number of Music Playlists.py	53 Maximum Subarray.py	Jan 21, 2024
98 Validate Binary Search Tree.py	98 Validate Binary Search Tree.py	98 Validate Binary Search Tree.py (final)	Oct 22, 2023
LL_lib.py	LL_lib.py	61 Rotate List.py	Dec 24, 2023
README.md	README.md	Initial commit	Oct 6, 2023
asse1.py	asse1.py	Assessment	Feb 14, 2024
asse2.py	asse2.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
asse3.py	asse3.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
asse4 maximum subarray sum in an array of integers.py	asse4 maximum subarray sum in an array of integers.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
asse5.py	asse5.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
asse6.py	asse6.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
asse7.py	asse7.py	maximum subarray sum in an array of integers.py	Feb 16, 2024
temp.py	temp.py	283 Move Zeroes.py	Feb 21, 2024
test.py	test.py	Past Leetcode code	Oct 6, 2023

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