#include<stdio.h>
 
#define STARHEAD "*******************************************************\n"
#define SHOWHEAD "           Show information for all students           \n"
#define SORTHEAD "      Output from high to low according to grades      \n"
#define WRAPHEAD "\n"
 
struct Student {
    int number;
    char name[15];
    int score;
};
 
struct Student student[10] = {
    {8, "imz", 84},
    {30, "pzh", 30},
    {28, "xhx", 88},
    {51, "vbi", 81},
    {35, "spe", 91},
    {14, "apm", 77},
    {7, "lyv", 71},
    {9, "fey", 87},
    {16, "uvv", 100},
    {42, "aap", 67}
};
 
void show();
void sort();
 
void show()
{
    int n;
    printf(STARHEAD);
    printf(SHOWHEAD);
    printf(STARHEAD);
    for (n = 0; n < 10; n++) {
        printf("number：%2d name：%s score：%d\n", student[n].number, student[n].name, student[n].score);
    }
    printf(WRAPHEAD);
}
 
void sort()
{
    int i, j, h, k;
    struct Student temp;
    printf(STARHEAD);
    printf(SORTHEAD);
    printf(STARHEAD);
    for (i = 0; i < 9; i++) {
        k = i;
        for (j = i + 1; j < 10; j++) {
            if (student[i].score < student[j].score) {
                k = j;
                temp = student[i];
                student[i] = student[k];
                student[k] = temp;
            }
        }
    }
    for (h = 9; h >= 0; h--) {
        printf("number：%d name：%s score：%d\n", student[h].number, student[h].name, student[h].score);
    }
}
 
int main()
{
    show();
    sort();
    return 0;
}

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