Run id: 79223

Main.cc: In function 'int main()':
Main.cc:9:7: warning: unused variable 'sum' [-Wunused-variable]
   int sum=i+i;
       ^
Main.cc:11:8: error: 'sum' was not declared in this scope
  if(n==sum){
        ^
Main.cc:16:2: error: expected ';' before 'return'
  return 0;
  ^