学生成绩管理系统结构体数组版

#include
#include
typedef struct student_achievement
{
    char name[21];
    int  numberorder;
    float average_scoretotal_scorescore[6];
} AC;
AC student[30];
void input（AC *achievementint Nint M）                                   //输入函数
{
    int ik;
    for（ i=0k=1; i    {
        printf（“Please input student%d numbernamescore:\n“i+1）;
        AC *student1=achievement+i;
        float total=0average;
        while（k==1）
        {
            printf（“number:“）;
            scanf（“%d“&student1->number）;
            if（getchar（）!=10）
            {
                printf（“Input error!\n“）;                                 //输入错误提示
                fflush（stdin）;                                            //清除缓冲区
            }
            else
                break;
        }
        while（k==1）
        {
            printf（“name:“）;
            scanf（“%s“&student1->name）;
            if（getchar（）!=10）
            {
                printf（“Input error!\n“）;                                 //输入错误提示
                fflush（stdin）;                                             //清除缓冲区
            }
            else
                break;
        }
        while（k==1）
        {
            printf（“each course score:“）;
            int j;
            for（j=0; j                scanf（“%f“&student1->score[j]）;
            if（getchar（）!=10）
            {
                printf（“Input error!\n“）;                                 //输入错误提示
                fflush（stdin）;                                            //清除缓冲区
            }
            else
                break;
        }
        int j;
        for（j=0; j            total=total+（student1->score[j]）;
        average=total/M;
        （student1->total_score）=total;
        （student1->average_score）=average;
    }
    float a[30]b[30];                                                  //冒泡排序求排名
    for（i=0; i    {
        a[i]=（achievement+i）->total_score;
        b[i]=i+1;
    }
    while（k==0）
    {
        k=1;
        float j;
        for（i=0; i            if（a[i]            {
                j=a[i+1];
                a[i+1]=a[i];
                a[i]=j;
                j=b[i+1];
                b[i+1]=b[i];
                b[i]=j;
                k=0;
            }
    }
    for（i=0; i        （achievement+i）-> order=b[i];
    printf（“\nInput record success！\n“）;
}
void score_of_course（AC achievement[]int Nint M）                       //函数2：计算每门课程的总分和平均分
{
    float total[6]average[6];
    int ij;
    for（i=0; i    {
        total[i]=0;
        for（j=0; j            total[i]=total[i]+achievement[j].score[i];
    }
    for（i=0; i        average[i]=total[i