Submission #7640766

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  string s;
  cin >> s;
  cout << int(a.at(0)-'0') + int(s.at(1)-'0') + int(s.at(2)-'0') << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:15: error: ‘a’ was not declared in this scope
   cout << int(a.at(0)-'0') + int(s.at(1)-'0') + int(s.at(2)-'0') << endl;
               ^