最近想要練習一下基本的算法，發現leetcode上邊的題還比較基礎，比較適合沒什麼基礎的初學者。
整理了下leetcode上問題的分類，方便大家有的放矢，各取所需。
你有沒有這樣的經歷：每次提交代碼以後，在焦灼地等待過後，突然閃出的AC讓你心花怒放？
是的話就一起來刷leetcode吧~~
刷完一定會讓你的算法功底更上一層樓的喲
Dynamic Programming
Edit Distance
Maximum Subarray
Minimum Path Sum
Unique Paths
Unique Paths II
Longest Palindromic Substring
Interleaving String
Triangle
Distinct Subsequences
Decode Ways
Palindrome Partitioning II
Maximal Rectangle
Recursion
N-Queens
N-Queens II
Balanced Binary Tree
Binary Tree Inorder Traversal
Binary Tree Maximum Path Sum
Convert Sorted Array to Binary Search Tree
Convert Sorted List to Binary Search Tree
Flatten Binary Tree to Linked List
Maximum Depth of Binary Tree
Minimum Depth of Binary Tree
Path Sum
Permutations
Permutations II
Populating Next Right Pointers in Each Node
Pow(x, n)
Same Tree
Subsets
Sum Root to Leaf Numbers
Swap Nodes in Pairs
Symmetric Tree
Valid Palindrome
Validate Binary Search Tree
Restore IP Addresses
Combinations
Interleaving String (dp is the best)
Combination Sum II
Letter Combinations of a Phone Numbers
Word Search
Construct Binary Tree from Inorder and Postorder Traversal
Construct Binary Tree from Preorder and Inorder Traversal
Generate Parentheses
Surrounded Regions (runtime error)
Palindrome Partitioning
Combination Sum
Sudoku Solver
Unique Binary Search Trees II
Binary Search
Search Insert Position
Search a 2D Matrix
Search for a Range
Search in Rotated Sorted Array
Sqrt(x)
Sequence
Container With Most Water
Count and Say
First Missing Positive
Implement strStr()
Jump Game
Jump Game II
Length of Last Word
Longest Common Prefix
Longest Substring Without Repeating Characters
Merge Sorted Array
Palindrome Number
Plus One
Remove Duplicates from Sorted Array
Remove Duplicates from Sorted Array II
Remove Element
Reverse Integer
Search in Rotated Sorted Array II
Sort Colors
Two Sum
3Sum
3Sum Closest
4Sum
Add Binary
Longest Palindromic Substring
Next Permutation
Longest Valid Parentheses
Climbing Stairs
Permutation Sequence
Simplify Path
String to Integer (atoi)
Minimum Window Substring
Longest Consecutive Sequence
Trapping Rain Water
Valid Number
Linked List
Add Two Numbers
Convert Sorted List to Binary Search Tree
Merge Two Sorted Lists
Partition List
Remove Duplicates from Sorted List
Remove Duplicates from Sorted List II
Remove Nth Node From End of List
Reverse Linked List II
Reverse Nodes in k-Group
Rotate List
Swap Nodes in Pairs
Stack
Binary Tree Inorder Traversal
Binary Tree Level Order Traversal II
Valid Parentheses
Queue
Binary Tree Level Order Traversal
Binary Tree Level Order Traversal II
Populating Next Right Pointers in Each Node II
Symmetric Tree
Surrounded Regions
Word Ladder
Tree
Balanced Binary Tree
Binary Tree Inorder Traversal
Binary Tree Level Order Traversal
Binary Tree Level Order Traversal II
Binary Tree Maximum Path Sum
Convert Sorted Array to Binary Search Tree
Convert Sorted List to Binary Search Tree
Flatten Binary Tree to Linked List
Maximum Depth of Binary Tree
Minimum Depth of Binary Tree
Path Sum
Same Tree
Sum Root to Leaf Numbers
Symmetric Tree
Validate Binary Search Tree