其他总结

BFS:

Clone Graph

Word Ladder I

Surrounded Regions

HashSet:

Longest Consecutive Sequence


Ksum 双指针类问题 while(left < right)

Two Sum

3Sum

3Sum Closest

4Sum

高精度运算

Add Binary

Plus One

Multiply Strings

Bit Manipulation

Single Number

Single Number II

Pow(x, n) 

Divide Two Integers

Reverse Integer 

Palindrome Number
矩阵

Spiral Matrix

Spiral Matrix II

Rotate Image

Set Matrix Zeroes

Valid Sudoku

Sudoku Solver

Array

Remove Duplicates from Sorted Array

Remove Duplicates from Sorted Array II

Merge Sorted Array

First Missing Positive

Remove Element

Median of Two Sorted Arrays

Trapping Rain Water

Candy

Container With Most Water****************

Pascal's Triangle 

Pascal's Triangle II

stack
Min Stack

Valid Parentheses

Longest Valid Parentheses

Evaluate Reverse Polish Notation

Largest Rectangle in Histogram

String

Simplify Path 

Longest Substring Without Repeating Characters

Substring with Concatenation of All Words(hard)

Minimum Window Substring

Length of Last Word

Valid Palindrome

Longest Palindromic Substring



Implement strStr()

ZigZag Conversion

Reverse Words in a String

String to Integer (atoi)

Integer to Roman

Roman to Integer 

Count and Say

Longest Common Prefix

Group Anagrams 

others:
Max Points on a Line
Insert Interval

Merge Intervals