Submission #4313476

---

Source Code Expand

#include <iostream>
using namespace std;

int main(){
  string s;
  sin >> s;
  
  if(s == "a"){
    cout << -1 << endl;
  }else{
    cout << 'a' << endl;
  }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:3: error: ‘sin’ was not declared in this scope
   sin >> s;
   ^