#include <stdio.h>
struct student
{
    int id;
    char name[20];
    float score;
}stu[3]={1001,"法外狂徒张三",97,1002,"李四",54,1003,"王五",65};
int main()
{
    int i,max_score,tag=0;
     max_score=stu[0].score;
    for(i=0;i<3;i++)
    {
        if(stu[i].score>max_score)
           {
                max_score = stu[i].score;
                tag=i;
           }
    }
    printf("最高分的信息为：%d\t%s\t%3.2f\n",stu[tag].id,stu[tag].name,stu[tag].score);


//最低分
    int min_score;
    tag=0;
    min_score = stu[0].score;
    for(i=0;i<3;i++)
    {
        if(stu[i].score < min_score)
        {
            min_score = stu[i].score;
            tag=i;
        }
    }
    printf("最低分的信息为：%d\t%s\t%3.2f\n",stu[tag].id,stu[tag].name,stu[tag].score);

    //平均分
    float sum=0;
    for(i=0;i<3;i++)
    {
        sum += stu[i].score;
    }
    printf("平均分为：%3.2f\n",sum/3);

    //打印及格率
        int jige=0;
        float jigelv;
        for(i=0;i<3;i++)
        {
            if(stu[i].score>60)
                jige++;
        }
        jigelv = (float)jige/3*100;
        printf("及格率为：%3.2f%%",jigelv);
        return 0;
}