# @return a string def reverseWords(self, s): if len(s) == 0: return '' words = s.split(' ') i = 0 while i < len(words): if words[i] == '': del words[i] else: i = i + 1 if len(words) == 0: return '' words.reverse() result = '' for item in words: resul...
网上还有人的做法是反转整个字符串,然后逐个翻转单词。 1packageedu.hust.sse.Problems;23//Given s = "the sky is blue",4//return "blue is sky the".5/***6* author @Ivan July 16th,20147*@params8*@return9*/10publicclassReverseWordsInString {11publicstaticvoidmain(String[] args){12ReverseW...
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. ...
Reduce them to a single space in the reversed string. publicclassSolution{publicStringreverseWords(Strings){if(s.length()==0){returns;}Stack<String>stack=newStack<String>();String[]ss=s.split("\\s+");for(Stringword:ss){stack.push(word);}StringBuildersb=newStringBuilder();while(!stack.is...
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...
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...
Reduce them to a single space in the reversed string. fromcollectionsimportdequeclassSolution(object):defreverseWords(self,s):""":type s: str:rtype: str"""ifs=='':return''else:indexes=deque()ifs[0]!=' ':indexes.append(-1)foriinrange(0,len(s)-1):ifs[i]==' 'ands[i+1]!=' ...
When you use the Excel worksheet, how do you reverse the text string or words order in Excel? For example, you want to reverse “Excel is a useful tool for us” to “su rof loot lufesu a si lecxE”. Or sometimes you may reverse the words order such as “Excel, Word, PowerPoint...
https://leetcode.com/problems/reverse-words-in-a-string/ 给定一个String,求出这个String 的字符串反转,反转后的以空格为区分的单词需要保持原顺序 例如String = "the sky is blue" ,反转后的结果为"blue is sky the",附加条件:两个单词之间或者句子的收尾可能有多个空格,需要去除掉这些多余的空格,例如Stri...
/* * 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". Update (2015-02-12): For C programmers: Try to solve it in-place in O(1) space. Clarification: What constitute...