2302580089谭春莲

[6da6]

``c
#include <stdio.h>
struct student {
int id; // 学号
float score; // 成绩
}
Student;
void input_students(Student* students, int n) {
for (int i = 0; i < n; i++) {
printf("请输入第%d个学生的学号: ", i + 1);
scanf("%d", &students[i].id);
printf("请输入%d的考试成绩: ", students[i].id);
scanf("%f", &students[i].score);
}
}
void sort_students(Student* students, int n) {
for (int i = 0; i < n - 1; i++) {
for (int j = 0; j < n - i - 1; j++) {
if (students[j].score < students[j + 1].score) {
Student temp = students[j];
students[j] = students[j + 1];
students[j + 1] = temp;
}
}
}
}
loat calculate_avg_score(Student* students, int n) {
float total_score = 0.0;`
for (int i = 0; i < n; i++) {
total_score += students[i].score;
}
return total_score / n;
}