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