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 ...
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. 翻转字符串,可是字符串中的单词字母顺序不变,还要注意空格哦。Python代码例如以下: classSolution:#@params, 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". 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(); ...
【leetcode_easy】557. Reverse Words in a String III,problem557. ReverseWordsinaStringIIIsolution1:字符流处理类istringstream.solution2:单词首尾指针。参考1.Leetcode_easy_557. ReverseWordsinaStringIII;2.
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==''...