Run id: 136627

Main.cc: In function 'int main()':
Main.cc:17:12: error: a function-definition is not allowed here before '{' token
 int main (){
            ^
Main.cc:6:8: warning: unused variable 'sum' [-Wunused-variable]
  int n,sum = 0;
        ^
Main.cc:8:14: warning: unused variable 'b' [-Wunused-variable]
  int a[1001],b[1001];
              ^
Main.cc:43:1: error: expected '}' at end of input
 }
 ^