// Calculate rounded average from midterm and final grades 
// uses (int), rounds
#include <iostream>
using namespace std;
#include <math.h>
main()
{ int midterm, final, avg;
  double average;
  cout<<"Enter the midterm grade: ";  
  cin>>midterm;                       //enter 89
  cout<<"Enter the final grade: ";
  cin>>final;                         //enter 90
  average = (midterm+final)/2.0;      //average is 89.5
  avg= (int)average;                  //avg=89, not an A!
  cout<<"The average without rounding is "<<avg<<"\n"; 
  //better: add 0.5 to force rounding
  avg= (int)(average+0.5);            //avg=90, YES an A!
  cout<<"The average with rounding is "<<avg<<"\n"; 
  return 0;
} //main