#include<bits/stdc++.h> using namespace std; int main(){ int n,max=-1,min=101; cin>>n; double sum=0,avg=0; int a[101]={0}; for(int i=1;i<=n;i++){ cin>>a[i]; } for(int i=1;i<=n;i++){ sum+=a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } } avg=sum/n; cout<<sum<<" "; printf("%.2lf",avg); cout<<" "<max<<" "<<min<<" "; }