Schultzpace

using System;

using System.Collections.Generic;

using System.Text;

namespace Hanoi

{

    class Program

    {

        static void Main(string[] args)

        {

            int count = 3;

            if (args.Length != 0 && !Int32.TryParse(args[0], out count))

            {

                count = 3;

            }

            for (int i = 0; i < 3; i++)

            {

                pinsAndDisks[i] = new Stack<int>();

            }

            for (int i = 0; i < count; i++)

            {

                pinsAndDisks[0].Push(count - i);

            }

            Hanoi(0, 2, 1, count);

            Console.WriteLine("Total number of calls: {0}.", depth);

        }

        static int depth;

        static Stack<int>[] pinsAndDisks = new Stack<int>[3];

        static void Hanoi(int source, int dest, int misc, int count)

        {

            depth++;

            if (count == 1)

            {

                MoveAndPrint(source, dest);

            }

            else

            {

                Hanoi(source, misc, dest, count - 1);

                MoveAndPrint(source, dest);

                Hanoi(misc, dest, source, count - 1);

            }

        }

        static void MoveAndPrint(int source, int dest)

        {

            int disk = pinsAndDisks[source].Pop();

            pinsAndDisks[dest].Push(disk);

            for (int pin = 0; pin < 3; pin++)

            {

                if (pinsAndDisks[pin].Count == 0)

                {

                    Console.WriteLine("|-----");

                }

                else

                {

                    string pinView = "";

                    Stack<int>.Enumerator e = pinsAndDisks[pin].GetEnumerator();

                    while (e.MoveNext())

                    {

                        pinView = e.Current + "-" + pinView;

                    }

                    Console.WriteLine("|-" + pinView);

                }

            }

            Console.WriteLine();

        }

    }

}

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