学生成绩管理16-2

#include <stdio.h>
struct Student{
    int num;
    char name[10];
    int score[5];
    int sum;
    int count;
};

void input(struct Student *stu){
//    int n;
//    printf("please input have how much student:\n");
//    scanf("%d",&n);
    printf("num    name    math    yuwen    physical    chemiscal    english :\n");
    for (int i = 0; i < 10; ++i) {
        scanf("%d %s",&stu[i].num,stu[i].name);
        for (int j = 0; j < 5; ++j) {
            scanf("%d",&stu[i].score[j]);
        }
    }
}
void sum(struct Student *stu){
    for (int i = 0; i < 10; ++i) {
        stu[i].sum=0;
        for (int j = 0; j < 5; ++j) {
            stu[i].sum+=stu[i].score[j];
        }
    }
    for (int i = 0; i < 10; ++i) {
        printf("%s de zongfen shi :%4d\n",stu[i].name,stu[i].sum);
    }
}

void sort(struct Student *stu,int n){
    struct Student max;
    for (int j = 0; j < n-1; ++j)
    {
        for (int i = 0; i < n-j-1; ++i) {
            if (stu[i].sum < stu[i + 1].sum) {
                max = stu[i];
                stu[i] = stu[i + 1];
                stu[i+1]= max;
            }
        }
    }
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < 5; ++j) {
            if(stu[i].score[j]<80)
                printf("diyu 80 de xuesheng shi %s %d\n",stu[i].name,stu[i].score[j]);
        }
    }
    for (int i = 0; i < n; ++i) {
        if(i==0)
            stu[i].count=1;
        else if(stu[i].sum==stu[i-1].sum)
            stu[i].count=stu[i-1].count;
        else
            stu[i].count=stu[i-1].count+1;
        printf("\nNO .%d  : %4d%4s%4d%4d%4d%4d%4d%4d",stu[i].count,stu[i].num,stu[i].name,stu[i].score[0],
               stu[i].score[1],stu[i].score[2],stu[i].score[3],stu[i].score[4],stu[i].sum);
    }
}

int main() {
    struct Student stu[10];
    input(stu);
    sum(stu);
    sort(stu,10);
    return 0;
}