#include<iostream> using namespace std; int main(){ int z=0,d=0,x=0,n,a[101]={0},i; double p=0; cin>>n; for(i=1;i<=n;i++){ cin>>a[i]; z+=a[i]; d=x=a[1]; if(a[i]>d){ d=a[i]; } if(a[i]<x){ x=a[i]; } } p=(double)z/n; cout<<z<<" "; printf("%.2lf ",p); cout<<d<<" "<<x<<endl; }