王中第

[miantt]

Student* students = (Student*)malloc(n * sizeof(Student));

input_students(students, n);
sort_students(students, n);

printf("\n学号\t成绩\n");
for (int i = 0; i < n; i++) {
printf("%d\t%.2f\n", students[i].id, students[i].score);
}

float avg_score = calculate_avg_score(students, n);
int failed_count = count_failed_students(students, n);

printf("\n平均成绩: %.2f\n", avg_score);
printf("不及格人数: %d\n", failed_count);
free(students);
return 0;