#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>
#include <sstream>

using namespace std;


int main() {
	int i, j, k;   
	int n;
	vector<int>a;

	cin >> n;


	for (i = 0; i < n; i++) {
		int num;
		cin >> num;
		a.push_back(num);
	}

	sort(a.begin(), a.end());

	long maxnum = (a[a.size() - 1] - a[0]);
	long minnum = 99999999999;

	for (i = 1; i < n; i++) {
		minnum = min((long)(a[i] - a[i - 1]), minnum);
	}

	cout << minnum << endl;
	cout << maxnum << endl;

	

	getchar();
	getchar();
	return 0;
}