题解 | #统计成绩#

#include <stdio.h>
int main() {
    int n;
    float  sum = 0.0;
    scanf("%d", &n);
    float a[100];
    for (int i = 0; i < n ; i++) {
        scanf("%f", &a[i]);
    }
    for (int i = 0; i < n; i++) {
        sum += a[i];
    }
    float average = sum / n;
    float max = a[0];
    float min = a[0];
    for (int i = 0 ; i < n; i++) {
        if (a[i] > max) {
            max = a[i];
        }
        if (a[i] < min) {
            min = a[i];
        }
    }
    printf("%.2f %.2f %.2f", max, min, average);
    return 0;
}