将s按照空格拆分为字符串数组,然后对数组中的每一个元素做翻转,再以空格拼接,作为结果返回。 publicStringreverseWords(Strings) {String[] arr = s.split(" ");StringBuilderresult =newStringBuilder();for(int i=0; i<arr.length; i++) {Stringss = arr[i];StringBuildersb =newStringBuilder(ss); sb....
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 解题思路: 本题方法多多,最简单的方式直接按“ ” spilt即可,JAVA实现如下: 1 2 3 4 5 6 7 8 9 10 11 12 publicString reverseWords(String s) { if(s ==n...
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 ...
LeetCode Top Interview Questions 557. Reverse Words in a String III (Java版; Easy) 题目描述 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"...
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...
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,...
#include <string.h> #include <stdlib.h> struct node { char *dest; struct node *Next; }; typedef struct node Node; // char * reverse(Node *node, char *dest, int begin, int end) // { // int i = 0; // int j = 0;
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)...
Reduce them to a single space in the reversed string. 原问题链接:https://leetcode.com/problems/reverse-words-in-a-string/ 问题分析 这个问题的思路其实比较简单,因为它只是要把一个字符串里所有非空格的词语顺序给倒过来。那么我们就有这么一个基本的思路,首先将这个串按照空格给划分成多个非空的字符串。
[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....