C语言结构体存储学生信息并查找年龄最大者

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

struct student { char id[13]; char name[21]; int age; };

int main() { int n; scanf("%d", &n);

struct student students[n];
int max_age = 0, max_age_index;

for (int i = 0; i < n; i++) {
    scanf("%s %s %d", students[i].id, students[i].name, &students[i].age);
    if (students[i].age > max_age) {
        max_age = students[i].age;
        max_age_index = i;
    }
}

printf("%s %s\n", students[max_age_index].id, students[max_age_index].name);
return 0;

}