摘要：题目：Determine whether an integer is a palindrome. Do this without extra space. 刚开始看到题目的时候想着用栈来处理，每进来一个数与栈顶元素比较相同则栈顶元素处栈，不同则元素入栈，最后栈为空或剩一个数为真，我是以“12343... 阅读全文

摘要：You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ... 阅读全文

摘要：Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two n 阅读全文

摘要：Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo... 阅读全文

摘要：刚接触python不久，被python的简洁强大迷倒了，在做leetcode，Reverse words in a string时，刚开始还是传统的思路想着怎么处理空格问题一直测试不通过，写的很罗嗦被师弟吐槽说你写的代码好丑，好心塞。 废话不多说直接奉上思路代码： 翻转字符串如："Hello I a 阅读全文