习题8-10 输出学生成绩

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

int main(void)
{
    int n;
    double *p;
    scanf("%d", &n);

    p = (double *)calloc(n, sizeof(double));
    for (int i = 0; i < n; i++)
    {
        scanf("%lf", p + i);
    }

    double sum = 0;
    int max_index = 0;
    int min_index = 0;

    for (int i = 0; i < n; i++)
    {
        sum = sum + p[i];
        if (p[i] > p[max_index])
        {
            max_index = i;
        }
        if (p[i] < p[min_index])
        {
            min_index = i;
        }
    }

    printf("average = %.2f\n", sum / n);
    printf("max = %.2f\n", p[max_index]);
    printf("min = %.2f\n", p[min_index]);

    free(p);
    return 0;
}