#include <iostream>
#include <algorithm>
using namespace std;

int n;
int a[1000];

int main() {
	int i;
	
	cin >> n;
	for (i = 0; i < n; i++) cin >> a[i];
	sort(a, a + n);
	
	int mmin = 1145141919;
	for (i = 0; i < n - 1; i++) mmin = min(mmin, a[i + 1] - a[i]);
	
	cout << mmin << endl;
	cout << a[n - 1] - a[0] << endl;
	return 0;
}