Program.cs

public class Dice
{
    private int diceSides;
    private int topSide;
    private static Random rand = new Random();

    public int TopSide { get { return topSide; } }
    public int DiceSides { get { return diceSides; } }//Made public just so we know how many unique sides were working with


    public Dice()
    {
        diceSides = 6;
    }
    public Dice(int numOfSides)
    {
        if (numOfSides < 1)
        {
            diceSides = 6;
        }
        else
        {
            diceSides = numOfSides;
        }
    }
    public void Roll()
    {
        topSide = rand.Next(1, diceSides + 1);
    }
}


public class DiceGame
{
    //Method Function for 3
    public static bool ContainsNumber(int[] rolls, int number)
    {
        foreach (int roll in rolls)
        {
            if (roll == number)
            {
                return true;
            }
        }
        return false;
    }
    //Method Function for 4
    public static int[] GetUniqueRolls(Dice dice)
    {
        List<int> uniqueRolls = new List<int>();

        while (uniqueRolls.Count < dice.DiceSides)
        {
            dice.Roll();
            if (!uniqueRolls.Contains(dice.TopSide))
            {
                uniqueRolls.Add(dice.TopSide);
            }
        }

        return uniqueRolls.ToArray();

    }

    public static void Main(String[] args)
    {
        //1. Create a dice object using default constructor
        Dice dice1 = new Dice();
        dice1.Roll();
        Console.WriteLine($"\nDefault Dice rolled: {dice1.TopSide}");
        //2. Create a dice object using with positive number of side
        Dice dice2 = new Dice(10);
        dice2.Roll();
        Console.WriteLine($"\nPositive Number Dice rolled: {dice2.TopSide}");
        //3. Create a dice object using with non-positive number of side
        Dice dice3 = new Dice(-2);
        dice3.Roll();
        Console.WriteLine($"\nNegative number Dice rolled: {dice3.TopSide}");
        Dice dice4 = new Dice();
        dice4.Roll();
        Console.WriteLine($"\nThe second Default Dice rolled: {dice4.TopSide}");
        //4. Check the topSide after rolling the dice, ensure it is within[1, dicesides]
        for (int i = 0; i < 5; i++)
        {
            dice1.Roll();
            Console.WriteLine($"Roll #{i + 1}: {dice1.TopSide}");
        }
        //-----Testing the Dice Class-----
        //1)
        dice1.Roll();
        dice4.Roll();
        if (dice1.TopSide > dice4.TopSide)
        {
            Console.WriteLine($"\nDice 1 Roll: ({dice1.TopSide}) is greater than Dice 2 Roll:({dice4.TopSide}).");
        }
        else if (dice1.TopSide < dice4.TopSide)
        {
            Console.WriteLine($"\nDice 2 Roll: ({dice4.TopSide}) is greater than Dice 1 Roll:({dice1.TopSide}).");
        }
        else
        {
            Console.WriteLine($"\nDice 1 Roll: ({dice1.TopSide}) is equal to Dice 2 Roll:({dice4.TopSide}).");
        }
        //2)
        int Dice1Wins = 0, Dice2Wins = 0;
        for (int i = 0; i < 5; i++)
        {
            dice1.Roll();
            dice4.Roll();
            if (dice1.TopSide > dice4.TopSide)
            {
                Dice1Wins++;
            }
            else if (dice1.TopSide < dice4.TopSide)
            {
                Dice2Wins++;
            }
        }
        if (Dice1Wins > Dice2Wins)
        {
            Console.WriteLine($"\nDice 1 wins with ({Dice1Wins}) counts compared to Dice 2's ({Dice2Wins}) counts..");
        }
        else if (Dice2Wins > Dice1Wins)
        {
            Console.WriteLine($"\nDice 2 wins with ({Dice2Wins}) counts compared to Dice 1's ({Dice1Wins}) counts..");
        }
        else
        {
            Console.WriteLine($"\nBoth dices tied with the count: {Dice1Wins}...");
        }
        //3)
        int[] rolls = new int[5];
        for (int i = 0; i < rolls.Length; i++)
        {
            dice1.Roll();
            rolls[i] = dice1.TopSide;
        }

        Console.WriteLine("Enter a number to check (1-6): ");
        string? input = Console.ReadLine();
        if (int.TryParse(input, out int num))
        {
            if (ContainsNumber(rolls, num))
            {
                Console.WriteLine($"\nYes, the array contains {num}.");
            }
            else
            {
                Console.WriteLine($"\nNo, the array does not contain {num}.");
            }
        }
        else
        {
            Console.WriteLine("\nInvalid input. Please enter a valid number.");
        }
        //4)
        int[] unique = GetUniqueRolls(dice1);
        Console.WriteLine("\nAll Unique rolls: " + string.Join(", ", unique));
    }
}