3-3

#include <stdio.h>
int main(void)
{
    int count,i,n;
    double grade,total;
    printf("Enter n:");
    scanf("%d",&n);
    total=0;
    count=0;
    for(i=1;i<=n;i++){
    printf("Enter grade#%d:",i);
    scanf("%If",&grade);
    total=total+grade;
    if(grade<60){
    count++;
    }
    }
    printf("Grade average=%.2f\n",total/n);
    printf("Number of failures=%d\n",count);
    return 0;
}