[leetcode]557. Reverse Words in a String III 链接:https://leetcode.com/problems/reverse-words-in-a-string-iii/description/ Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace......
链接https://leetcode-cn.com/problems/reverse-words-in-a-string-iii/ 耗时 解题:7 min 题解:4 min 题意 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。 提示: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 模拟题意,详见代码。
AI代码解释 voidreverseWords(string&s){string ss;int i=s.length()-1;while(i>=0){while(i>=0&&s[i]==' ')//处理多个空格的情况{i--;}if(i<0)break;if(ss.length()!=0)ss.push_back(' ');string temp;for(;i>=0&&s[i]!=' ';i--)temp.push_back(s[i]);reverse(temp.begin()...
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. ...
LeetCode之Reverse Words in a String 1.(原文)问题描述 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Given an input string, reverse the string word by word. For example, Given s ="the sky is blue", return"blue is sky the". click to show clarification....
Leetcode: 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,...
public String reverseWords(String s) { s = s.trim(); char[] str = s.toCharArray(); // 先反转整个数组 reverse(str, 0, str.length - 1); int start = 0, end = 0; for(int i = 0; i < s.length(); i++){ if(str[i]!=' '){ ...
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 ...
1classSolution:2#@param s, a string3#@return a string4defreverseWords(self, s):5ss = s.split("")6ss = filter(lambdax:x!="",ss)7l =len(ss)8foriinrange(l/2):9ss[i],ss[l-1-i] = ss[l-1-i],ss[i]10s = ("").join(ss)11returns ...
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 = "the sky is blue", return "blue...