Question 1510: Replace space-nine degrees

Description:
Implement a function to replace spaces in a string with "% 20 ". For example, if the string is we are happy, the replaced string is we % 20are % 20 happy.
Input:
Each input file contains only one set of test samples.
For each group of test cases, enter a line to indicate the strings to be processed.
Output:
Corresponding to each test case, the processed string is output.
Sample input:
We are happy
Sample output:

We % 20are % 20 happy

Recommendation index :※

Source: http://ac.jobdu.com/problem.php? PID = 1, 1510

This is also the title of Tao's "Sword refers to offer.

#include<iostream>#include<string>#include<sstream>#include<string.h>#include<stdio.h>using namespace std;int main(){char ch;while((ch=getchar())!='\n'){if(ch!=' ')printf("%c",ch);elseprintf("%%20");}    return 0;}

Originally written a stringstream, but in Getline, two carriage return is not very good processing (solution: http://support.microsoft.com/default.aspx? SCID = KB; en-US; q240015 & id = KB; en-US; q240015), wood has AC (rewrite the Getline function ?).

#include<iostream>#include<string>#include<sstream>#include<string.h>#include<stdio.h>using namespace std;int main(){    string str,strout;    getline(cin,str);//need to enter    stringstream streamstr;streamstr<<str;    int flag=0;    while(streamstr>>strout){        if(flag!=0)            cout<<"%20"<<strout;        else{            cout<<strout;flag=1;}    }    return 0;}