这篇小结主要是参考这篇帖子从头到尾彻底理解KMP，不得不佩服原作者，写的真是太详尽了，让博主产生了一种读学术论文的错觉。后来发现原作者是写书的，不由得更加敬佩了。博主不才，尝试着简化一些原帖子的内容，希望能…

  Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Fi…

  Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Input: [1,1,0…

题目： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation o…

Given an array of integers, find out whether there are two distinct indices i and j in the array such that the…

40. Combination Sum II 题目 Given a collection of candidate numbers (C) and a target number (T), find all unique…

  Given two binary trees, write a function to check if they are equal or not. Two binary trees are consid…

  You are playing the following Flip Game with your friend: Given a string that contains only these two c…

  Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return t…

Reverse Integer Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 字符串…

You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order a…

https://leetcode.com/problems/palindrome-number/description/ palindrome-number： 回文数 ， 简单理解就是对称数 解决： 每次取到第一个数和最…