#include<iostream> using namespace std; int main(){ int a[101]={0},n,min=101,max=0,sum=0; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; sum+=a[i]; if(max<a[i]){ max=a[i]; } if(min>a[i]){ min=a[i]; } } cout<<sum<<" "; printf("%.2lf ",sum*1.0/n); cout<<max<<" "; cout<<min<<" "; return 0; }