Run id: 80521

Main.cc: In function 'int main()':
Main.cc:15:36: warning: too many arguments for format [-Wformat-extra-args]
  printf("%.2lf" , (double)sum/n," ");
                                    ^
Main.cc:25:14: error: 'k' was not declared in this scope
       mb = a[k]; 
              ^
Main.cc:6:6: warning: unused variable 'pjf' [-Wunused-variable]
  int pjf;
      ^