#include<iostream> #include<iomanip> using namespace std; int main(){ int n,sum = 0,mxx = 0,ndd = 1000; double avg; cin >> n; int a[101]; for(int i=0;i<n;i++){ cin >> a[i]; sum += a[i]; } avg = 1.0*sum/n; for(int i=0;i<n;i++){ if(a[i] > mxx){ mxx = a[i]; } if(a[i] < ndd){ ndd = a[i]; } } cout << sum << " " << fixed<<setprecision(2)<<avg << " " << mxx << " "<< ndd; }