#include<stdio.h> #include<iostream> #include<cmath> using namespace std; int main(){ int i,a[101],n,sum=0,max=0,min=101; double avg=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; sum+=a[i]; if(a[i]>max) max=a[i]; if(a[i]<min) min=a[i]; } avg=(double)sum/n; cout<<sum<<" "; printf("%.2lf ",avg); cout<<max<<" "<<min<<" "<<endl; return 0; }