Reduce them to a single space in the reversed string. 一次遍历,将所有遇到的单词加在头部。 classSolution {public:voidreverseWords(string&s) {stringrs ="";inti =0;while(true) {//skip leading spacewhile(i < s.size() && s[i
A sequence of non-space characters constitutes a word. Could the input string contain leading or trailing spaces? Yes. However, your reversed string should not contain leading or trailing spaces. How about multiple spaces between two words? Reduce them to a single space in the reversed string. ...
Given an input string, reverse the string word by word. For example, Given s = “the sky is blue”, return “blue is sky the”. 思路一: 先休整下给定的字符串,去掉其中的多于一个的空格,就是使所有单词之间的空格都变成一个,然后去掉最后面的空格,给最前面加一个空格。这样每次遇到空格的时候,前...
Question Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 本题难度Medium。有2种算法分别是: API 和 双指针交换法 1、API 【复杂度】 时间O(N) 空间 O(N) 【思路】 ...
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". */ #include <stdio.h> #include <string.h> #include <stdlib.h> struct node { char *dest; struct node *Next; ...
151 Reverse Words in a String 翻转字符串里的单词 Description: Given an input string, reverse the string word by word. Example: Example 1: Input: "the sky is blue" Output: "blue is sky the" Example 2: Input: " hello world! "
LeetCode: 151. Reverse Words in a String LeetCode: 151. Reverse Words in a String 题目描述 Given an input string, reverse the string word by word. Example: Note: 解题思路 获取用空格分割开的单词,然后将他们的倒序插入结果串中。 AC 代码......
[LeetCode] 186. Reverse Words in a String II 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....
Reduce them to a single space in the reversed string. 原题地址 翻转字符串中的单词顺序,这是个老题目了。可是leetcode上面的要求更为严格。如: 要求把开头和结尾的空格删除掉; 缩减单词间的空格数为1(假设有多个空格)。 单词若全是空格,则返回一个空字符串(""). ...
Input: "a good example" Output: "example good a" Explanation: You need to reduce multiple spaces between two words to a single space in the reversed string. Note:A word is defined as a sequence of non-space characters.Input string may contain leading or trailing spaces. However, your ...