#include <iostream> #include <cstdio> using namespace std; int main() { int n,a[101],i,t=101,m=0,z=0; cin>>n; for (i=1;i<=n;i++){ cin>>a[i];} for (i=1;i<=n;i++){ if (a[i]>=m) m=a[i]; if (a[i]<=t) t=a[i]; z=z+a[i]; } cout<<z<<' '; printf("%.2lf",z*1.0/n); cout<<' '<<m<<' '<<t; return 0; }