统计学生成绩（计算平均分和不及格的人数）_输入一组学生成绩统计不及格和及格人数 作者:(序号姓名) 日期#include

#include<stdio.h>
int main(void)
{
    int count,i,n;
    double grade,total;
    printf("Enter n: ");
    scanf("%d",&n);
    total = 0;  count = 0;   //设置初始值
    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\n",total/n);
    printf("Nember of failures = %d\n",count);

    return 0;
}

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