using System.Numerics;

public class Program
{
    public static void Main()
    {
        int num = int.Parse(Console.ReadLine() ?? string.Empty);
        string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;


        int[] ints = new int[num];
        for (int i = 0; i < num; i++)
        {
            ints[i] = int.Parse(str[i]);
        }
        Array.Sort(ints);
        int min = ints[1] - ints[0];
        for (int i = 2; i < num; i++)
        {
            if (ints[i] - ints[i - 1] < min)
            {
                min = ints[i] - ints[i - 1];
            }
        }

        Console.WriteLine(min);
        Console.WriteLine(ints[num - 1] - ints[0]);
    }
}