# include<iostream> # include<algorithm> using namespace std; int main(){ int n,zong=0,a[100]; double ping; scanf("%d",&n); for(int i=0;i<n;i++){ cin>>a[i]; zong+=a[i]; }sort(a,a+n); cout<<zong<<" "; ping=(double)zong/n; printf("%.2lf ",ping); cout<<a[n-1]<<" "<<a[0]; return 0; }