#include<iostream> using namespace std; int a[100]; int main(){ int n; int sum = 0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum = sum+a[i]; } double b; b = sum*1.0/n; int c=a[1]; int d=a[1]; for(int j=1;j<=n;j++){ if(a[j]>c){ c = a[j]; } if(a[j]<d){ d = a[j]; } } cout<<sum<<" "; printf("%.2lf",b); cout<<" "<<c<<" "<<d; }