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 ...
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] =='') i++;stringword ="";//s[i] points to first no...
# @return a string def reverseWords(self, s): if len(s) == 0: return '' words = s.split(' ') i = 0 while i < len(words): if words[i] == '': del words[i] else: i = i + 1 if len(words) == 0: return '' words.reverse() result = '' for item in words: resul...
题目链接:https://leetcode.com/problems/reverse-words-in-a-string/ 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". 思路: easy 算法: public String reverseWords(String s) { String ss[] = s.trim()....
输入:s = "a good example" 输出:"example good a" 解释:如果两个单词间有多余的空格,反转后的字符串需要将单词间的空格减少到仅有一个。 提示: 1 <= s.length <= 104 s 包含英文大小写字母、数字和空格 ' ' s 中至少存在一个 单词 进阶:如果字符串在你使用的编程语言中是一种可变数据类型,请尝试...
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 注:该题目已有大神实现了,地址为 https://blog.csdn.net/lanxu_yy/article/details/38827845,但使用的是C++语言。
1. Description Reverse Words in a String III 2. Solution class Solution{public:stringreverseWords(string s){intstart=0;for(inti=0;i<s.length();i++){if(s[i]==' '){reverse(s,start,i-1);start=i+1;}}reverse(s,start,s.length()-1);returns;}private:voidreverse(string&s,intstart,...
void reverseWords(string &s) { s = removeDuplicateSpace(s); int begin = 0; int end = 0; while(end < s.size()){ if(s[end] == ' '){ swapString(s, begin, end - 1); begin = end+1; end = begin; } else{ end++; } } swapString(s, begin, end - 1)...
[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....
链滴Reverse Words in a String III--leetcode 作者:moloee 原文链接:https://ld246.com/article/1509275957069 来源网站:链滴 许可协议:署名-相同方式共享 4.0 国际 (CC BY-SA 4.0) 题目 Given a string, you need to reverse the order of characters in each word within a sentence whi e still ...