leetcode

The optimum C++ solutions for the leetcode

这是我自己写的leetcode的题解，其实227道题目我都已经做完了，然后现在每天把自己写过的代码结合自己的理解整理出来

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和服务器的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

Name		Name	Last commit message	Last commit date
Latest commit History 193 Commits
3Sum Closest		3Sum Closest
3Sum		3Sum
Add Binary		Add Binary
Add Digits		Add Digits
Balanced Binary Tree		Balanced Binary Tree
Basic Calculator II		Basic Calculator II
Basic Calculator		Basic Calculator
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
Candy		Candy
Climbing Stairs		Climbing Stairs
Combination Sum II		Combination Sum II
Combination Sum III		Combination Sum III
Combination Sum		Combination Sum
Combinations		Combinations
Compare Version Numbers		Compare Version Numbers
Contains Duplicate II		Contains Duplicate II
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
Dungeon Game		Dungeon Game
Edit Distance		Edit Distance
Excel Sheet Column Number		Excel Sheet Column Number
Excel Sheet Column Title		Excel Sheet Column Title
Factorial Trailing Zeroes		Factorial Trailing Zeroes
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
First Missing Positive		First Missing Positive
Gray Code		Gray Code
Happy Number		Happy Number
House Robber II		House Robber II
House Robber		House Robber
Implement Queue using Stacks		Implement Queue using Stacks
Implement Stack using Queues		Implement Stack using Queues
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
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 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
Maximum Depth of Binary Tree		Maximum Depth of Binary Tree
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
Multiply Strings		Multiply Strings
N-Queens II		N-Queens II
N-Queens		N-Queens
Next Permutation		Next Permutation
Number of 1 Bits		Number of 1 Bits
Number of Islands		Number of Islands
Palindrome Linked List		Palindrome Linked List
Palindrome Number		Palindrome Number
Pascal's Triangle		Pascal's Triangle
Path Sum		Path Sum
Permutations II		Permutations II
Permutations		Permutations
Plus One		Plus One
Pow(x,n)		Pow(x,n)
Power of Two		Power of Two
Product of Array Except Self		Product of Array Except Self
Rectangle Area		Rectangle Area
Remove Duplicates from Sorted Array		Remove Duplicates from Sorted Array
Remove Duplicates from Sorted List		Remove Duplicates from Sorted List
Remove Element		Remove Element
Remove Linked List Elements		Remove Linked List Elements
Reorder List		Reorder List
Reverse Integer		Reverse Integer
Reverse Linked List		Reverse Linked List
Rotate Image		Rotate Image
Same Tree		Same Tree
Search Insert Position		Search Insert Position
Search a 2D Matrix II		Search a 2D Matrix II
Search a 2D Matrix		Search a 2D Matrix

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