[POJ-3981] A-string replacement (string water question)

Code:

#include<iostream>
#include<algorithm>
#include<sstream> 
using namespace std;
typedef long long ll;
int main()
{
    
    
	string s,x;
	while(getline(cin,s))
	{
    
    
		stringstream ss(s); //放入字符串流中
		while(ss>>x)
		{
    
    
			if(x=="you") cout<<"we"<<" "; //将you替换为we即可
			else cout<<x<<" ";
		}
		cout<<endl;
	}
    return 0;
}