#include<iostream> #include<cmath> #include<iomanip> using namespace std; int main() { int n; cin >> n; int a[101] = {0}; for (int i = 1; i <= n; i++) { cin >> a[i]; } int mxx = 0,ndd = 10000,s = 0; double avg = 0; for(int i=1;i<=n;i++){ s += a[i]; if(mxx < a[i]){ mxx = a[i]; } if(ndd > a[i]){ ndd = a[i]; } } avg = 1.0*s/n; cout << s <<" "; cout << fixed<<setprecision(2)<<avg<<" " <<mxx <<" " << ndd; }