Given an input string, reverse the string word by word. A word is defined as a sequence of non-space characters.The input string does not contain leading or trailing spaces and the words are always separated by a single space.For example,Given s = "t…
Title: Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". https://leetcode.com/problems/reverse-words-in-a-string/ 思路:先将字符串全部逆转,在将每个单词逆转.具体实现,要注意空格,所以对字符串倒过来处理. cla…
作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 每个单词单独翻转+总的翻转 日期 题目地址:https://leetcode-cn.com/problems/reverse-words-in-a-string-ii/ 题目描述 Given an input string , reverse the string word by word. Example: Input: ["t",&quo…
一.开篇 既上一篇<交换法生成全排列及其应用> 后,这里讲的是基于全排列 (Permutation)本身的一些问题,包括:求下一个全排列(Next Permutation):求指定位置的全排列(Permutation Sequence):给出一个全排列,求其所在位置. 二.例题 1. 求下一个全排列,Next permuation Implement next permutation, which rearranges numbers into the lexicographically ne…
2014-05-11 03:56 题目链接 原题: Given an integer array. Perform circular right shift by n. Give the best solution. 题目:给数组进行循环移位,给出最优解. 解法:首先要考虑n的范围,对于负数和超过数组长度的数,先进行取模操作.然后用三次反转数组就可以完成循环移位. 代码: // http://www.careercup.com/question?id=6282862240202752 #incl…