using System;

public class Program

{

    public static void Main()

    {

        //Welcome Message

        Console.WriteLine("Welcome to the game of Tic Tac Toe, by Aimen Tetbirt");

        //the array of the game.

        string[,] array = new string[3, 3]  { 

                                                { "-" , "-" , "-" },

                                                { "-" , "-" , "-" },

                                                { "-" , "-" , "-" } 

                                            };

​

        //playerX and playerO

        string playerX = "X";

        string playerO = "O";

        //Turn:

        string turn = playerX;

        //Check if the game ended:

        bool gameOver = false;

        foreach (string str in array)

        {

            if(str == "-")

            {

                gameOver = false;

            } 

            else 

            {

                gameOver = true;

            }

        }

        //-----------------

        while(gameOver == false)

        {

            if(turn == playerX)

            {

                Console.WriteLine("Inter Row player X: ");

                string row = Console.ReadLine();

                Console.WriteLine("Inter Column player X: ");

                string column = Console.ReadLine();

                array[Convert.ToInt32(row), Convert.ToInt32(column)] = "X";

                turn = playerO;

                //Printing the table each time player X plays:

                Console.WriteLine("\n     " + array[0,0] + "  " + array[0,1] + "  " + array[0,2] + 

                                  "\n     " + array[1,0] + "  " + array[1,1] + "  " + array[1,2] + 

                                  "\n     " + array[2,0] + "  " + array[2,1] + "  " + array[2,2] );

            }

            else

            {

                Console.WriteLine("Inter Row player O: ");

                string row = Console.ReadLine();

                Console.WriteLine("Inter Column player O: ");

                string column = Console.ReadLine();

                array[Convert.ToInt32(row), Convert.ToInt32(column)] = "O";

                turn = playerX;

                //Printing the table each time player X plays:

                Console.WriteLine("\n     " + array[0,0] + "  " + array[0,1] + "  " + array[0,2] + 

                                  "\n     " + array[1,0] + "  " + array[1,1] + "  " + array[1,2] + 

                                  "\n     " + array[2,0] + "  " + array[2,1] + "  " + array[2,2] );

            }

        }

    }

}

​