第三章例3-3

/* 输入一批学生的成绩,计算平均分,并统计不及格成绩的学生人数 */
#include<stdio.h>
int main(void)
{
    int count,i,n;
    double grade,total;

    printf("Enter n:");
    scanf_s("%d",&n);
    total=0;
    count=0;
    for(i=1;i<=n;i++){
        printf("Enter grade#%d:",i);
        scanf_s("%lf",&grade);
        total=total+grade;
        if(grade<60){
            count++;
        }
    }
    printf("Grade average=%.2f\n",total/n);
    printf("Number of failures=%d\n",count);

    return 0;
}

posted @ 2013-10-02 22:34  刘睿1994  阅读(89)  评论(0编辑  收藏  举报