题解 | #成绩统计#
成绩统计
https://ac.nowcoder.com/acm/problem/214227
#include<bits/stdc++.h>
using namespace std;
int a[100010];
int main(){
int n;
cin>>n;
double sum=0;
for(int i=0;i<n;i++){
cin>>a[i];
sum+=a[i];
}
sort(a,a+n);
printf("%.2lf %d %d",sum/n,a[n-1],a[0]);
return 0;
}