1.2 Implement a function void reverse(char *str) in C or C++ which reverses a null-terminated string. 这道题让我们用C++或C语言来翻转一个字符串,不算一道难题,在之前那道Reverse Words in a String 翻转字符串中的单词中用到了这个函数,跟那道题比起来,这题算简单的了.C语言的版本要比C++的稍微复杂一些,应为string类集成了很多有用的功能,比如得到字符串的长度,用下标…

Write a function that takes a string as input and returns the string reversed. Example: Given s = "hello", return "olleh". 这道题没什么难度,直接从两头往中间走,同时交换两边的字符即可,参见代码如下: 解法一: class Solution { public: string reverseString(string s) { , right =…

Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. You may assume all the…

Leetcode 344:Reverse String 反转字符串 公众号:爱写bug Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, you must do this by modifying the input array in-place wit…

Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s = "leetcode", return "leotcede". 这道题让我们翻转字符串中的元音字母,元音字母有五个a,e,i,o…

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. click to show clarification. Cl…

给定一个字符串,翻转字符串中的每个单词.例如,给定 s = "the sky is blue",返回 "blue is sky the".对于C程序员:请尝试用O(1) 时间复杂度的原地解法.说明:    什么构成一个词?    一系列非空格字符组成一个词.    输入字符串是否可以包含前导或尾随空格?    是.但是,您的反转字符串不应包含前导或尾随空格.    两个单词之间多空格怎么样?    将它们缩小到反转字符串中的单个空格.详见:https://leetc…

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…

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 日期 题目地址:https://leetcode.com/problems/reverse-words-in-a-string/description/ 题目描述 Given an input string, reverse the string word by word. Example 1: Input: "the sky is blue"…

题目: 翻转字符串 给定一个字符串,逐个翻转字符串中的每个单词. 样例 给出s = "the sky is blue",返回"blue is sky the" 说明 单词的构成:无空格字母构成一个单词 输入字符串是否包括前导或者尾随空格?可以包括,但是反转后的字符不能包括 如何处理两个单词间的多个空格?在反转字符串中间空格减少到只含一个 解题: 这个题目方法很多的 1.整体反转,对每个单词再反转,但是中间的多个空格还有单独处理 2.把后面的单词,拿到前面去.参考程序…