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。
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(),temp.end(...
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)...
-4.将数组转成string :param s: :return: """ l=self.rmExtraSpaces(s) #1.删除多余空格 # ['i','t',' ','i','s',' ','r','a','i','n','i','n','g',' ','t','o','d','a','y'] self.reverseStrs(l,0, len(l)-1) #2.翻转字符 # ['y','a','d','o','t'...
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". click to show clarification. Clarification: What constitutes a word? A sequence of non-space characters constitutes a word. ...
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,...
[LeetCode]Reverse Words in a String 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...
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 ...
151. Reverse Words in a String # 题目# Given an input string, reverse the string word by word. Example 1: Input: "the sky is blue" Output: "blue is sky the" Example 2: Input: " hello world! " Output: "world! hello" Explanation: Your reversed string should not contain leading ...
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, ...