برنامج يحسب معدل 10 علامات

#include
#include
void main()
{
clrscr();
int counter;
int grade;
int total;
int average;
total=0;
counter=1;
while (counter<=10)
{
printf("Enter grade:");
scanf("%d",&grade);
total=total+grade;
counter=counter+1;
}
average=total/10;
printf("Class average is %d\n",average);
getch();
}