publicclassSolution{publicstringReverseWords(strings){string[]array=s.Split(" ");stringnewString="";if(array.Length>0){for(intai=0;ai<array.Length;ai++){if(!string.IsNullOrEmpty(newString))newString=newString+=" ";char[]charArray=array[ai].ToCharArray();inti=0,j=charArray.Length-1;for...
151. Reverse Words in a String 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...
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 ...
然后就用一个string res每次都从队列将的单词取出来,然后判断是否队列为空,不为空就加一个空格。 代码: 1classSolution {2public:3stringreverseWords(strings) {4intn=s.size();5deque<string>q;6stringword="";7intleft=0,right=n-1;8while(left<=right&&s[left]=='') left++;9while(left<=right&...
Reverse Words in a String leetcode:https://oj.leetcode.com/problems/reverse-words-in-a-string 今天写了开题报告,有点不太想开那个报告了,没事又去A了一道ACM。这次A的是系统随机推荐的,刚看的时候以为是一个Easy类型的。感觉不太难 PS:一开始把题目理解错了,以为直接把所有字符Reverse。实际是将单词...
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...
publicStringreverseWords(Strings){if(s==null)returnnull;char[]a=s.toCharArray();intn=a.length;// step 1. reverse the whole stringreverse(a,0,n-1);// step 2. reverse each wordreverseWords(a,n);// step 3. clean up spacesreturncleanSpaces(a,n);}voidreverseWords(char[]a,intn){int...
For C programmers: Try to solve it in-place in O(1) space. public class Solution { public String reverseWords(String s) { if (s == null || s.length() == 0) { return ""; } String[] array = s.split(" "); StringBuilder sb = new StringBuilder(); ...
public static string ReverseWordsInString(string str) { string reverse = ReverseString(str); string temp = ""; foreach (string s in reverse.Split(' ')) { temp += ReverseString(s) + ' '; } return temp; } private static string ReverseString(string str) { char[] chars = str.ToCharA...
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. fromcollectionsimportdequeclassSolution(object):defreverseWords(self,s):""":type s: str:rtype: str"""ifs==''...