careercup5

Write a method to replace all spaces in a string with ‘%20’
还是用比较核武的字符串流吧~~刚开始的题目还是比较简单的。

#include <iostream>
#include <sstream>
#include <string>
using namespace std;

int main(){
   string st,buff;
   getline(cin ,st);
   stringstream ss(st);
   ss>>buff;
   cout<<buff;
   while(ss>>buff)
	   cout<<"%20"<<buff;
}