leetcode

A set of practice note and source code of solution to leetcode problem set

Leetcode official website:

https://leetcode.com/problems

Python 3 official reference document:

https://docs.python.org/3/

Name		Name	Last commit message	Last commit date
Latest commit History 1,260 Commits
.vscode		.vscode
2020_April_Leetcode_30_days_challenge		2020_April_Leetcode_30_days_challenge
2020_August_Leetcode_30_days_challenge		2020_August_Leetcode_30_days_challenge
2020_July_Leetcode_30_days_challenge		2020_July_Leetcode_30_days_challenge
2020_June_Leetcode_30_days_challenge		2020_June_Leetcode_30_days_challenge
2020_May_Leetcode_30_days_challenge		2020_May_Leetcode_30_days_challenge
2020_November_Leetcode_30_days_challenge		2020_November_Leetcode_30_days_challenge
2020_October_Leetcode_30_days_challenge		2020_October_Leetcode_30_days_challenge
2020_September_Leetcode_30_days_challenge		2020_September_Leetcode_30_days_challenge
2021_Feburary_Leetcode_30_days_challenge		2021_Feburary_Leetcode_30_days_challenge
Array		Array
Binary Tree		Binary Tree
Dynamic_Programming_I		Dynamic_Programming_I
Linked List		Linked List
No_0001_Two Sum		No_0001_Two Sum
No_0002_Add Two Numbers		No_0002_Add Two Numbers
No_0003_Longest Substring Without Repeating Characters		No_0003_Longest Substring Without Repeating Characters
No_0007_Reverse Integer		No_0007_Reverse Integer
No_0008_String to Integer_aka_atoi		No_0008_String to Integer_aka_atoi
No_0009_Palindrome Number		No_0009_Palindrome Number
No_0011_Contain With Most Water		No_0011_Contain With Most Water
No_0012_Integer to Roman		No_0012_Integer to Roman
No_0013_Roman to Integer		No_0013_Roman to Integer
No_0014_Longest Common Prefix		No_0014_Longest Common Prefix
No_0015_3 Sum		No_0015_3 Sum
No_0016_3 Sum Closet		No_0016_3 Sum Closet
No_0017_Letter Combinations of a Phone Number		No_0017_Letter Combinations of a Phone Number
No_0018_4 Sum aka four Sum		No_0018_4 Sum aka four Sum
No_0019_Remove Nth Node From End of List		No_0019_Remove Nth Node From End of List
No_0020_Valid Parentheses		No_0020_Valid Parentheses
No_0021_Merge 2 Sorted Lists		No_0021_Merge 2 Sorted Lists
No_0023_Merge k Sorted Lists		No_0023_Merge k Sorted Lists
No_0024_Swap Nodes in Pairs		No_0024_Swap Nodes in Pairs
No_0026_Remove Duplicates from Sorted Array		No_0026_Remove Duplicates from Sorted Array
No_0027_Remove Element		No_0027_Remove Element
No_0028_Implement strStr		No_0028_Implement strStr
No_0029_Divide Two Integers		No_0029_Divide Two Integers
No_0032_Longest Valid Parentheses		No_0032_Longest Valid Parentheses
No_0033_Search in Rotated Sorted Array		No_0033_Search in Rotated Sorted Array
No_0034_Find First and Last Position of Element in Sorted Array		No_0034_Find First and Last Position of Element in Sorted Array
No_0035_Search Insert Position		No_0035_Search Insert Position
No_0038_Count and Say		No_0038_Count and Say
No_0039_Combination Sum		No_0039_Combination Sum
No_0040_Combination Sum II		No_0040_Combination Sum II
No_0041_First Missing Positive		No_0041_First Missing Positive
No_0044_Wildcard Matching		No_0044_Wildcard Matching
No_0045_Jump Game II		No_0045_Jump Game II
No_0046_Permutations		No_0046_Permutations
No_0047_Permutations II		No_0047_Permutations II
No_0048_Rotate Image		No_0048_Rotate Image
No_0049_Group Anagrams		No_0049_Group Anagrams
No_0050_Pow( x , n )		No_0050_Pow( x , n )
No_0053_Maximum Subarray		No_0053_Maximum Subarray
No_0055_Jump_Game		No_0055_Jump_Game
No_0056_Merge Intervals		No_0056_Merge Intervals
No_0058_Length of Last Word		No_0058_Length of Last Word
No_0061_Rotate List		No_0061_Rotate List
No_0062_Unique Path		No_0062_Unique Path
No_0063_Unique Paths II		No_0063_Unique Paths II
No_0064_Minimum Path Sum		No_0064_Minimum Path Sum
No_0065_Valid Number		No_0065_Valid Number
No_0066_Plus One		No_0066_Plus One
No_0067_Add Binary		No_0067_Add Binary
No_0069_Sqrt_x		No_0069_Sqrt_x
No_0070_Climbing Stairs		No_0070_Climbing Stairs
No_0071_Simplify Path		No_0071_Simplify Path
No_0073_Set Matrix Zeroes		No_0073_Set Matrix Zeroes
No_0074_Search a 2D Matrix		No_0074_Search a 2D Matrix
No_0078_Subsets		No_0078_Subsets
No_0080_Remove Duplicates from Sorted Array II		No_0080_Remove Duplicates from Sorted Array II
No_0082_Remove Duplicates from Sorted List II		No_0082_Remove Duplicates from Sorted List II
No_0083_Remove Duplicates from Sorted List		No_0083_Remove Duplicates from Sorted List
No_0086_Partition List		No_0086_Partition List
No_0088_Merge Sorted Array		No_0088_Merge Sorted Array
No_0089_Gray Code		No_0089_Gray Code
No_0090_Subsets II		No_0090_Subsets II
No_0092_Reverse Linked List II		No_0092_Reverse Linked List II
No_0094_Binary Tree Inorder Traversal		No_0094_Binary Tree Inorder Traversal
No_0095_Unique Binary Search Trees II		No_0095_Unique Binary Search Trees II
No_0096_Unique Binary Search Trees		No_0096_Unique Binary Search Trees
No_0098_Validate Binary Search Tree		No_0098_Validate Binary Search Tree
No_0100_Same Tree		No_0100_Same Tree
No_0101_Symmetric Tree		No_0101_Symmetric Tree
No_0102_Binary Tree Level Order Traversal		No_0102_Binary Tree Level Order Traversal
No_0104_Maximum Depth of Binary Tree		No_0104_Maximum Depth of Binary Tree
No_0105_Construct Binary Tree from Preorder and Inorder Traversal		No_0105_Construct Binary Tree from Preorder and Inorder Traversal
No_0106_Construct Binary Tree from Inorder and Postorder Traversal		No_0106_Construct Binary Tree from Inorder and Postorder Traversal
No_0107_Binary Tree Level Order Traversal II		No_0107_Binary Tree Level Order Traversal II
No_0108_Convert Sorted Array to Binary Search Tree		No_0108_Convert Sorted Array to Binary Search Tree
No_0109_Convert Sorted List to Binary Search Tree		No_0109_Convert Sorted List to Binary Search Tree
No_0110_Balanced Binary Tree		No_0110_Balanced Binary Tree
No_0111_Minimum Depth of Binary Tree		No_0111_Minimum Depth of Binary Tree
No_0112_Path Sum		No_0112_Path Sum
No_0113_Path Sum II		No_0113_Path Sum II
No_0114_Flatten Binary Tree to Linked List		No_0114_Flatten Binary Tree to Linked List
No_0116_Populating Next Right Pointers in Each Node		No_0116_Populating Next Right Pointers in Each Node
No_0117_Populating Next Right Pointers in Each Node II		No_0117_Populating Next Right Pointers in Each Node II
No_0118_Pascal's Triangle		No_0118_Pascal's Triangle
No_0119_Pascal's Triangle II		No_0119_Pascal's Triangle II
No_0120_Triangle		No_0120_Triangle

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