```
string line;

string s[100];      //字符串数字法，并不是字符数组

//getline(cin,s);

//stringstream ssin(s);
/*
while(cin >> s){
    res = s + " " + res;
}

cout << res << endl;
*/
int cnt=1,i=1;
while(cin >> line){
    s[i] = line;
    i++;
}
while(i>0){
    cout << s[i-1] << " ";
    i--;
}
```