Run id: 121357

Main.cc: In function 'int main()':
Main.cc:6:8: error: 'n' was not declared in this scope
  int a[n];
        ^
Main.cc:8:10: error: 'a' was not declared in this scope
   cin >> a[i];
          ^
Main.cc:12:2: error: 'a' was not declared in this scope
  a[b - 1] = c;
  ^