int n, l, r, a[200020];

int main()
{
	#ifndef ONLINE_JUDGE
		freopen("input.txt","rt",stdin);
		freopen("output.txt","wt",stdout);
	#endif
		cin>>n;
		for (int i=0; i<n; i++) scanf("%d", a+i);
		sort(a, a+n);
		cout<<a[n-1]-a[0]<<" ";
		l=upper_bound(a, a+n, a[0])-a;
		r=lower_bound(a, a+n, a[n-1])-a;
		r=n-r;
		//cout<<"\n"<<l<<" "<<r;
		if (a[0]!=a[n-1])
		cout<<l*1ll*r; else
		cout<<(n*1ll*(n-1))/2;
    return 0;
}