Arrays.20.Variations

using System;

class Variations
{
    static void VariationsGen(int[] array, int index, int N)
    {
        if (array.Length == index)
        {
            PrintVar(array);
        }
        else
        {
            for (int i = 1; i < N + 1; i++)
            {
                array[index] = i;
                VariationsGen(array, index + 1, N);
            }
        }
    }
    static void PrintVar(int[] array)
    {
        for (int i = 0; i < array.Length; i++)
        {
            Console.Write("{0} ", array[i]);
        }
        Console.WriteLine();
    }
    static void Main()
    {
        int N = 5;
        int K = 2;
        int[] vars = new int[K];
        VariationsGen(vars, 0, N);
    }
}