#include<stdio.h>
int main(
void)
{
int count,num;
double grade,total;
num=
0;
total=
0;
count=
0;
printf("Enter grades:");
scanf("%lf",&
grade);
while(grade>=
0){
total=total+
grade;
num++
;
if(grade<
60)
count++
;
scanf("%lf",&
grade);
}
if(num!=
0){
printf("Grade average is%.2f\n",total/
num);
printf("Number of failures is%d\n",count);
}
else
printf("Grade average is 0\n");
return 0;
}
转载于:https://www.cnblogs.com/liruijia199531/p/3357283.html
