代码如下
#include <stdio.h>
struct bitches {
char id[6];
char name[11];
int grades;
};
main() {
int n, i, j;
float average, sum;
scanf("%d", &n);
struct bitches information[n];
for (i = 0; i < n; i++) {
scanf("%s%s%d", &information[i].id, &information[i].name, &information[i].grades);
sum = sum + information[i].grades;
}
average = sum / (float) n;
printf("%.2f\n", &average);