链接:https://leetcode-cn.com/problems/reverse-words-in-a-string python # 翻转字符串里的单词 class Solution: def reverseWords(self, s: str)->str: """ 双指针,字符串的综合操作 解题思路如下: -1.移除多余空格 -1.1 rm开头空字符,遇空left指针++,遇非空停止 -1.2 rm结尾字符,遇空right--,遇...
self.reverseStrs(l, 0, len(l) - 1) # 2.翻转字符 # ['y', 'a', 'd', 'o', 't', ' ', 'g', 'n', 'i', 'n', 'i', 'a', 'r', ' ', 's', 'i', ' ', 't', 'i'] self.reverseEachWord(l) # 3.翻转每个单词 # ['t', 'o', 'd', 'a', 'y', ' ',...
reverse(t.begin(),t.end()); rs.append(t); } s = rs; } intmain(intargc,char** argv) { strings ="a b cd"; reverseWords(s); cout<<s; return0; } 其他版本还有C的: #include <iostream> #include <cstdlib> #include <string> #include <algorithm> usingnamespacestd; voidreverseWords...
public String reverseVowels(String s) { StringBuilder builder=new StringBuilder(s); int i=0; int j=builder.length()-1; while(i<j) { boolean a=isVowel(builder.charAt(i)); boolean b=isVowel(builder.charAt(j)); if(a&&b) { char tmp=builder.charAt(i); builder.setCharAt(i, builder.ch...
usestd::collections::*;implSolution{pubfnreverse_parentheses(s:String)->String{letmutstack=vec![];letmutm=HashMap::new();letn=s.len();for(i,ch)ins.chars().enumerate(){matchch{'('=>stack.push(i),')'=>{letpre=stack.pop().unwrap();m.insert(iasi32,preasi32);m.insert(preasi32...
https://leetcode-cn.com/problems/reverse-integer/ 解决思路: 先把整数转换为字符串,然后利用字符串切片的方法将其进行反转(注意:如果传入的是负数,需要保留"-"前缀,只将后面的字符反转) 代码如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
Given an input string,reverse the string word by word.For example,Given s="the sky is blue",return"blue is sky the". 比较基础的一个题,拿到这个题,我的第一想法是利用vector来存每一个子串,然后在输出,这是一个比较简单的思路,此外,还有第二个思路,就是对所有的字符反转,然后在针对每一个子串反转...
151. 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". 题目大意: 输入一个字符串,将单词序列反转。 思路1: 采用一个vector,来存放中间结果 ...
344 Reverse String // #344反转字符串 描述:如题。 //#344Description: Reverse String | LeetCode OJ 解法1:转。 // Solution 1: Do it. 代码1 //Code 1 解法2:转。 // Solution 2: Do it. 代码2 //Code 2 345 Reverse Vowels of a String ...
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. 示例1: 输入: "Let's take LeetCode contest" 输出: "s'teL ekat edoCteeL tsetnoc"