using System;

namespace homework_03_8
{
    class Program
    {
        static void Main(string[] args)
        {
            Random random = new Random();

            int[,] mapNumber = new int[10, 10];

            int maxNumber = mapNumber[0, 0];
            int[,] posMaxNumber = new int[1, 2] { { 0, 0 } };

            // fill the array random numbers
            for (int i = 0; i < mapNumber.GetLength(0); i++)
            {
                for (int j = 0; j < mapNumber.GetLength(1); j++)
                {
                    mapNumber[i, j] = random.Next(1, 100);
                }
            }

            // Select max numbera
            for (int i = 0; i < mapNumber.GetLength(0); i++)
            {
                for (int j = 0; j < mapNumber.GetLength(1); j++)
                {
                    if (mapNumber[i, j] > maxNumber)
                    {
                        maxNumber = mapNumber[i, j];

                        posMaxNumber[0, 0] = i;
                        posMaxNumber[0, 1] = j;
                    }
                }
            }

            //show array
            for (int i = 0; i < mapNumber.GetLength(0); i++)
            {
                for (int j = 0; j < mapNumber.GetLength(1); j++)
                {
                    if (posMaxNumber[0, 0] == i && posMaxNumber[0, 1] == j)
                    {
                        Console.BackgroundColor = ConsoleColor.Yellow;
                        Console.Write(mapNumber[i, j]);
                        Console.BackgroundColor = ConsoleColor.Black;
                        Console.Write(" ");
                    }
                    else
                        Console.Write(mapNumber[i, j] + " ");

                    if (mapNumber[i, j] / 10 <= 0) Console.Write(" ");
                }
                Console.WriteLine();
            }

            Console.WriteLine();
            mapNumber[posMaxNumber[0, 0], posMaxNumber[0, 1]] = 0;

            //show array
            for (int i = 0; i < mapNumber.GetLength(0); i++)
            {
                for (int j = 0; j < mapNumber.GetLength(1); j++)
                {
                    if (posMaxNumber[0, 0] == i && posMaxNumber[0, 1] == j)
                    {
                        Console.BackgroundColor = ConsoleColor.Red;
                        Console.Write(mapNumber[i, j] + " ");
                        Console.BackgroundColor = ConsoleColor.Black;

                    }
                    else
                    Console.Write(mapNumber[i, j] + " ");

                    if (mapNumber[i, j] / 10 <= 0) Console.Write(" ");
                }
                Console.WriteLine();
            }

            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.WriteLine("\nMax number: " + maxNumber);
            Console.ForegroundColor = ConsoleColor.Gray;
        }
    }
}