题解 | 统计成绩

#include <stdio.h>

int main()
{
    int n;
    scanf("%d", &n);
    float a=0, c=100, d=0, e=0;
    float b = 0;
    for (int m = 0; m < n; m++)
    {
        scanf("%f", &a);
        if (b < a)b = a;
        if (a < c)c = a;
        d += a; 
    }
    e = d / n;
    printf("%.2f %.2f %.2f", b, c, e);
    return 0;
}