leetcode面试准备:Reverse Words in a String 1 题目 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…

Algorithm [leetcode]557. Reverse Words in a String III https://leetcode.com/problems/reverse-words-in-a-string-iii/ 1)problem Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace…

Problem link: http://oj.leetcode.com/problems/reverse-words-in-a-string/ Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". LeetCode OJ supports Python now! The s…

Difficulty: Medium  More:[目录]LeetCode Java实现 Description Given an input string, reverse the string word by word. Example: Input: "the sky is blue", Output: "blue is sky the". Note: A word is defined as a sequence of non-space character…

Reverse Words in a String Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". Clarification: What constitutes a word?A sequence of non-space characters constitutes a…

problem 345. Reverse Vowels of a String class Solution { public: string reverseVowels(string s) { , right =s.size()-; char chl, chr; while(left<right) { if(isVowel(s[left]) &&isVowel(s[right])) { char ch = s[left]; s[left++] = s[right]; s[right…

Reverse Words in a String Given an input string, reverse the string word by word. Example 1: Input: "the sky is blue" Output: "blue is sky the" Example 2: Input: " hello world! " Output: "world! hello" Explanation:…

一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博 欢迎转载,转载请注明出处 (一)题目 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…

这是悦乐书的第259次更新,第272篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第126题(顺位题号是557).给定一个字符串,您需要反转句子中每个单词中的字符顺序,同时仍保留空格和初始单词顺序.例如: 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. 本次解题使用的开发工具是…

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 使用栈 双指针 日期 [LeetCode] 题目地址:https://leetcode.com/problems/reverse-vowels-of-a-string/ Total Accepted: 7758 Total Submissions: 22132 Difficulty: Easy 题目描述 Write a function that t…

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 Java解法 Python解法 日期 题目地址:https://leetcode.com/problems/reverse-words-in-a-string-iii/#/description 题目描述 Given a string, you need to reverse the order of characters in each word…

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"…

这是悦乐书的第206次更新,第218篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第74题(顺位题号是345).编写一个函数,它将一个字符串作为输入,并仅反转一个字符串的元音.例如: 输入:"hello" 输出:"holle" 输入:"leetcode" 输出:"leotcede" 注意:元音不包括字母"y". 本次解题使用的开发工具是eclipse,jdk使用的版本是1.8,…

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…

1.题目描述 2.问题分析 使用一个vector存储每个单词. 3.代码 void reverseWords(string &s) { vector<string> v; for (string::iterator it = s.begin(); it != s.end(); ) { if (*it == ' ') { it++; } else { auto itr = it + ; while (*itr != ' ' && itr != s.end()) { itr…

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…

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. 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…

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…

原题链接在这里:https://leetcode.com/problems/reverse-words-in-a-string-ii/ 题目: 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…

LeetCode: Reverse Words in a String:Evaluate Reverse Polish Notation Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2&q…

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…

1. Linked List Cycle II Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify the linked list. 思路:想法是利用两指针,一个每次移动一步,另一个每次移动两步,如果存在环则这两个指针一定会相遇(这里可以在纸上画一下,因为后一个指针移动比前一个指针快,当后一个指针在环中来到前一个指针的…

一年没有管理博客园了,说来实在惭愧.. 最近开始刷LeetCode,之前没刷过,说来也实在惭愧... 刚开始按 AC Rates 从简单到难刷,觉得略无聊,就决定按 Add Date 刷,以后也可能看心情随便选题…(⊙o⊙)…今天做了14年 Add 的三个题,其中 Maximum Product Subarray 着实把我折腾了好一会儿,所以想想还是跟大家分享一下我的解法,也或许有更好的方法,期待大家的分享.就把三个题按 Add Date 的先后顺序分享一下吧. Add Date 2014-03…

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…

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…

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"…

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…

Question: Reverse Words in a String Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". Clarification: What constitutes a word?A sequence of non-space characters con…