#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin >> n;

	vector<int> v(n);
	for (int i = 0; i < n; i++) {
		cin >> v.at(i);
	}

	sort(v.begin(), v.end());
	int min, max;
	max = v.at(v.size() - 1) - v.at(0);
	min = 1000000;
	for (int i = 1; i < n; i++) {
		int n = v.at(i) - v.at(i - 1);
		if (n < min) min = n;
	}

	cout << min << endl;
	cout << max << endl;
}