#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; }