using System;

​

public class MyProgram

{

    private static Random random = new Random();

    public static void Main(String[] args)

    {

        int chipCount;

        int playerTake;

        int comTake;

        int winner;

        winner = 0;

        int timesRan;

        timesRan = 0;

        int firstTurn;

        firstTurn = random.Next(2) + 1;

        int chipAmount;

        int chipAmount2;

        Console.WriteLine("Please enter the amount of chips you would like to play with. Default value is 21.");

        input(out chipAmount);

        chipCount = chipAmount;

        Console.WriteLine("You start the game with: " + chipCount);

        Console.WriteLine("Please enter the amount of chips you'd like to be able to draw up to each round. Default value is 3.");

        input(out chipAmount2);

        while (chipCount != 0 && chipCount >= 0)

        {

            if (timesRan == 0)

            {

                if (firstTurn == 1)

                {

                    Console.WriteLine("The computer will have the first turn this game.");

                    Console.WriteLine("Chips left on the table: " + chipCount);

                    comTake = random.Next(chipAmount2) + 1;

                    Console.WriteLine("My turn. I'm taking " + comTake + " chip(s).");

                    chipCount = chipCount - comTake;

                }

                else

                {

                    Console.WriteLine("You will have the first turn this game.");

                }

            }

            Console.WriteLine("Chips left on table: " + chipCount);

            Console.WriteLine("How many chips do you want to take?");

            input(out playerTake);

            while (playerTake > chipAmount2 || playerTake < 1)

            {

                Console.WriteLine("You can only take between 1 and " + chipAmount2 + " chips. Try again.");

                input(out playerTake);

            }

            chipCount = chipCount - playerTake;

            Console.WriteLine("Chips left on table: " + chipCount);

            comTake = random.Next(chipAmount2) + 1;

            if (chipCount <= 0)

            {

                winner = 1;

            }

            else

            {

                Console.WriteLine("My turn. I'm taking " + comTake + " chip(s).");

                chipCount = chipCount - comTake;

            }

            timesRan = timesRan + 1;

        }

        if (winner == 1)

        {

            Console.WriteLine("You won. Lucky.");

        }

        else

        {

            Console.WriteLine("I won because of my excellent skill.");

        }

    }

    // .NET can only read single characters or entire lines from the console.

    // The following functions are designed to help input specific data types.

    // 'out' is a pass-by-reference modifier in C#.

    private static void input(out double result)

    {

        while (!double.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out int result)

    {

        while (!int.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out Boolean result)

    {

        while (!Boolean.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out string result)

    {

        result = Console.ReadLine();

    }

}

​