Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Example 1: Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc"…

题目描述 给定一个字符串,你需要反转字符串中每个单词的字符顺序,同时仍保留空格和单词的初始顺序. 示例 1: 输入: "Let's take LeetCode contest" 输出: "s'teL ekat edoCteeL tsetnoc" 注意:在字符串中,每个单词由单个空格分隔,并且字符串中不会有任何额外的空格. 思路 分割字符串,再逆序,拼接到字符串 代码实现 package String; /** * 557. Reverse Words in a St…

557. Reverse Words in a String III 最简单的把空白之间的词反转 class Solution { public: string reverseWords(string s) { vector<int> blank; ;i < s.size();i++){ if(s[i] == ' ') blank.push_back(i); } ; int end; ;i < blank.size();i++){ end = blank[i] - ; revers…

Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Example 1: Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc"…

1. 题目:https://leetcode.com/problems/reverse-words-in-a-string-iii/discuss/ 反转字符串中的所有单词. 2. 思路: 这题主要是要注意空格的影响.比方说,string首尾和单词之间可能有一或多个空格.看到有人逐个对空格判断,但是我觉得逐个判断其实稍微容易出错(当然如果非常熟悉的话就完全无所谓啦),我的一个简单想法是用stringstream. PS:不熟悉stringstream的朋友可以看看链接的文档. 3. 代码 cla…

Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Example 1: Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc"…

题目要求 Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. 题目分析及思路 题目给出一个字符串,要求将每个词中的字母顺序颠倒,但仍旧保留空格和原先的词序.可以用.split()方法将词分开并遍历,最后倒序并组成新的字符串. python代码 class…

Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc" 解:输入一堆字符串,每一个空格之前的字符串都要反转,拆成一个数组反转之后拼成一个字符串 let array = s.split(' '); let newArr = []; for(let i = 0; i < array.length; i++){ let str = array[i].split("…

Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not int) of length 1. After you are done modifying the inpu…

Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". Update (2015-02-12):For C programmers: Try to solve it in-place in O(1) space. Clarification: What constitutes a…