#include<stdio.h>
void main()
{int count, i, n;
double grade, total;
printf("Enter n: ");
scanf("%d", &n);
---------;
---------;
for(i=1;i<=n;i++)
{
printf("Enter grade #%d:", i);
scanf("-------",&grade);
ottal=-------;
if(--------)
count++;
}
printf("Grade average == %.2f\n", total/n);
printf("Number of failures = %d\n", count);
return 0;
}
这是计算平均分,并统计不及格的个数