# 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("%lf",&grade); total=total+grade; if(grade<60){ count++; } } printf("Grade average=%.2f ",total/n); printf("Nnmber of failures=%d ",count); return 0; }