题解 | #统计成绩#

#include <stdio.h>

int main() {
    float av=0;
    float max=0;
    float min=100;
    float grade;
    int n;
    scanf("%d",&n);
    for(int i=0;i<n;i++)
    {
        scanf("%f",&grade);
        if(grade>max)
        {
            max=grade;
        }
        if(grade<min)
        {
            min=grade;
        }
        av=av+grade;
    }
    printf("%.2f %.2f %.2f",max,min,av/5);
    return 0;
}