题解 | 统计成绩

#include <stdio.h>

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

    double max,min,sum = 0.0;

    for(int i = 0; i < n; i++){
        double score;
        scanf("%lf",&score);
        sum += score;
        if(i == 0){
            max = score;
            min = score;
        }
        else{
            if(score > max){
                max = score;
            }
            if(score < min){
                min = score;
            }
        }
    }
    printf("%.2f %.2f %.2f",max,min,sum/n);
    return 0;
}