using System;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var n = int.Parse(Console.ReadLine());
        var lst = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToList();
        lst.Sort();

        var min = decimal.MaxValue;
        var max = Math.Abs(lst[n-1] - lst[0]);
        for (int i=0; i < n-1; i++)
        {
            if (lst[i] == lst[i + 1]) continue;
            min = Math.Min(min, Math.Abs(lst[i + 1] - lst[i]));
        }
        Console.WriteLine( min );
        Console.WriteLine( max );
    }
}