10．由键盘任意输入5个学生的姓名、学号、以及每一个学生的4门功课的成绩，分别计算他们的总分和均分，并将此表按总分的高低排序。写出c语言程序

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_STU_NUM 5
#define MAX_NAME_LEN 20

typedef struct {
    char name[MAX_NAME_LEN];
    int id;
    int score[4];
    int total_score;
    float avg_score;
} Student;

void input_students(Student students[]);
void calculate_score(Student students[]);
void sort_students(Student students[]);
void print_students(Student students[]);

int main() {
    Student students[MAX_STU_NUM];
    input_students(students);
    calculate_score(students);
    sort_students(students);
    print_students(students);
    return 0;
}

// 输入学生信息
void input_students(Student students[]) {
    for (int i = 0; i < MAX_STU_NUM; i++) {
        printf("请输入第%d个学生的姓名、学号和4门课的成绩：\n", i + 1);
        scanf("%s %d %d %d %d %d", students[i].name, &(students[i].id),
            &(students[i].score[0]), &(students[i].score[1]), &(students[i].score[2]), &(students[i].score[3]));
    }
}

// 计算总分和平均分
void calculate_score(Student students[]) {
    for (int i = 0; i < MAX_STU_NUM; i++) {
        students[i].total_score = 0;
        for (int j = 0; j < 4; j++) {
            students[i].total_score += students[i].score[j];
        }
        students[i].avg_score = (float) students[i].total_score / 4;
    }
}

// 按总分排序
void sort_students(Student students[]) {
    for (int i = 0; i < MAX_STU_NUM - 1; i++) {
        for (int j = 0; j < MAX_STU_NUM - i - 1; j++) {
            if (students[j].total_score < students[j + 1].total_score) {
                Student temp = students[j];
                students[j] = students[j + 1];
                students[j + 1] = temp;
            }
        }
    }
}

// 输出学生信息
void print_students(Student students[]) {
    printf("按总分从高到低排名如下:\n");
    printf("姓名\t学号\t科目1\t科目2\t科目3\t科目4\t总分\t平均分\n");
    for (int i = 0; i < MAX_STU_NUM; i++) {
        printf("%s\t%d\t%d\t%d\t%d\t%d\t%d\t%.1f\n", students[i].name, students[i].id,
            students[i].score[0], students[i].score[1], students[i].score[2], students[i].score[3],
            students[i].total_score, students[i].avg_score);
    }
}