2)当string有多个连续空格的时候,只保留一个空格、 代码分析: 对多余空格剔除: 思路分析: 1)从原始s 的最末尾开始扫描,如果遇到空格,用while剔除掉。 2)接下来从第一个非空格读取,存入一个temp的string中,然后调用string::reverse() 反转,并string::append()到ss中。 3)重复1、2步,但是有几个情况需要注意...
first, i have basic idear: The solution is to do it in two passes. In the first pass the whole string is reversed and in the second each word is reversed again. After reversing the whole string: "ecneinevnocni eht rof esigolopa eW" Reversing word at a time: "inconvenience eht rof ...
代码 classSolution{public:voidreverseWords(string&s){reverse(s.begin(),s.end());intk=0;for(inti=0;i<s.size();i++){if(s[i]!=' '){if(k!=0)s[k++]=' ';intj=i;while(j
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.isEmpty()){sb.append(stack.pop()).append(" ");}retur...
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 or trailing spaces. ...
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. ...
: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 itin-placeinO(1) space. click to show clarification. ...
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 or tra...
6 Reverse String Word by Word in Java 15 Easy way to reverse String 0 Java about reversing string 2 how to revearse a string? 2 How to reverse String in place in Java 1 Java reverse string method Hot Network Questions How to select and display one particular graphic from a sma...
Original string : how todoin java Reversed string : woh ot od ni avaj Reverse the string word by word but each word’s characters remain unchanged. Original string : how todoin java Reversed string : java indoto how 1. Reverse each word’s characters in string ...