#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
using namespace std;

//#include<bits/stdc++.h>

int main() {
	int n;
	cin >> n;
	int a = -9999999;
	int b = 99999999;
	vector<int>z;
	for (int i = 0; i < n; i++) {
		int x;
		cin >> x;
		a = max(a, x);
		b = min(b, x);
		z.push_back(x);
	}
	int t = 9999999;
	sort(z.begin(), z.end());
	for (int i = 0; i < n - 1; i++) {
		t = min(t, z[i + 1] - z[i]);
	}
	cout << t << endl;
	cout << a - b << endl;

	return 0;
}