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244 Commits
3Sum Closest
3Sum Closest
 
 
3Sum
3Sum
 
 
4Sum
4Sum
 
 
Add Binary
Add Binary
 
 
Add Digits
Add Digits
 
 
Add Two Numbers
Add Two Numbers
 
 
Balanced Binary Tree
Balanced Binary Tree
 
 
Basic Calculator II
Basic Calculator II
 
 
Basic Calculator
Basic Calculator
 
 
Best Time to Buy and Sell Stock II
Best Time to Buy and Sell Stock II
 
 
Best Time to Buy and Sell Stock
Best Time to Buy and Sell Stock
 
 
Binary Tree Level Order Traversal II
Binary Tree Level Order Traversal II
 
 
Binary Tree Level Order Traversal
Binary Tree Level Order Traversal
 
 
Binary Tree Paths
Binary Tree Paths
 
 
Binary Tree Postorder Traversal
Binary Tree Postorder Traversal
 
 
Binary Tree Preorder Traversal
Binary Tree Preorder Traversal
 
 
Binary Tree Right Side View
Binary Tree Right Side View
 
 
Binary Tree Zigzag Level Order Traversal
Binary Tree Zigzag Level Order Traversal
 
 
Bitwise AND of Numbers Range
Bitwise AND of Numbers Range
 
 
Bulb Switcher
Bulb Switcher
 
 
Bulls and Cows
Bulls and Cows
 
 
Burst Balloons
Burst Balloons
 
 
Candy
Candy
 
 
Climbing Stairs
Climbing Stairs
 
 
Coin Change
Coin Change
 
 
Combination Sum II
Combination Sum II
 
 
Combination Sum III
Combination Sum III
 
 
Combination Sum IV
Combination Sum IV
 
 
Combination Sum
Combination Sum
 
 
Combinations
Combinations
 
 
Compare Version Numbers
Compare Version Numbers
 
 
Contains Duplicate II
Contains Duplicate II
 
 
Contains Duplicate III
Contains Duplicate III
 
 
Contains Duplicate
Contains Duplicate
 
 
Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search Tree
 
 
Copy List with Random Pointer
Copy List with Random Pointer
 
 
Count Primes
Count Primes
 
 
Count and Say
Count and Say
 
 
Course Schedule II
Course Schedule II
 
 
Course Schedule
Course Schedule
 
 
Decode Ways
Decode Ways
 
 
Delete Node in a Linked List
Delete Node in a Linked List
 
 
Distinct Subsequences
Distinct Subsequences
 
 
Divide Two Integers
Divide Two Integers
 
 
Dungeon Game
Dungeon Game
 
 
Edit Distance
Edit Distance
 
 
Evaluate Reverse Polish Notation
Evaluate Reverse Polish Notation
 
 
Excel Sheet Column Number
Excel Sheet Column Number
 
 
Excel Sheet Column Title
Excel Sheet Column Title
 
 
Factorial Trailing Zeroes
Factorial Trailing Zeroes
 
 
Find Median from Data Stream
Find Median from Data Stream
 
 
Find Minimum in Rotated Sorted Array II
Find Minimum in Rotated Sorted Array II
 
 
Find Minimum in Rotated Sorted Array
Find Minimum in Rotated Sorted Array
 
 
Find Peak Element
Find Peak Element
 
 
First Bad Version
First Bad Version
 
 
First Missing Positive
First Missing Positive
 
 
Game of Life
Game of Life
 
 
Gray Code
Gray Code
 
 
Guess Number Higher or Lower
Guess Number Higher or Lower
 
 
H-Index II
H-Index II
 
 
H-Index
H-Index
 
 
Happy Number
Happy Number
 
 
House Robber II
House Robber II
 
 
House Robber III
House Robber III
 
 
House Robber
House Robber
 
 
Implement Queue using Stacks
Implement Queue using Stacks
 
 
Implement Stack using Queues
Implement Stack using Queues
 
 
Implement Trie (Prefix Tree)
Implement Trie (Prefix Tree)
 
 
Increasing Triplet Subsequence
Increasing Triplet Subsequence
 
 
Integer Break
Integer Break
 
 
Interleaving String
Interleaving String
 
 
Intersection of Two Linked Lists
Intersection of Two Linked Lists
 
 
InvertBinaryTree
InvertBinaryTree
 
 
Isomorphic Strings
Isomorphic Strings
 
 
Jump Game II
Jump Game II
 
 
Jump Game
Jump Game
 
 
Kth Largest Element in an Array
Kth Largest Element in an Array
 
 
Kth Smallest Element in a BST
Kth Smallest Element in a BST
 
 
Largest Number
Largest Number
 
 
Length of Last Word
Length of Last Word
 
 
Linked List Cycle II
Linked List Cycle II
 
 
Linked List Cycle
Linked List Cycle
 
 
Longest Common Prefix
Longest Common Prefix
 
 
Longest Increasing Path in a Matrix
Longest Increasing Path in a Matrix
 
 
Longest Increasing Subsequence
Longest Increasing Subsequence
 
 
Longest Substring Without Repeating Characters
Longest Substring Without Repeating Characters
 
 
Longest Valid Parentheses
Longest Valid Parentheses
 
 
Lowest Common Ancestor of a Binary Search Tree
Lowest Common Ancestor of a Binary Search Tree
 
 
Majority Element II
Majority Element II
 
 
Majority Element
Majority Element
 
 
Max Points on a Line
Max Points on a Line
 
 
Maximal Rectangle
Maximal Rectangle
 
 
Maximal Square
Maximal Square
 
 
Maximum Depth of Binary Tree
Maximum Depth of Binary Tree
 
 
Maximum Gap
Maximum Gap
 
 
Maximum Product of Word Lengths
Maximum Product of Word Lengths
 
 
Merge Sorted Array
Merge Sorted Array
 
 
Merge Two Sorted Lists
Merge Two Sorted Lists
 
 
Minimum Size Subarray Sum
Minimum Size Subarray Sum
 
 
Minimum Window Substring
Minimum Window Substring
 
 

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leetcode

The optimum C++ solutions for the leetcode

这是我自己写的leetcode的题解，目前已经完成了70%左右，后续部分会很快更新

这里放上来的代码都能保证是最优解(复杂度最优)

当然有些题目因为测试数据等原因可能会和统计中最快的代码在时间上有常数的差距

希望对需要的人能有些帮助

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The optimum C++ solutions for the leetcode

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