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