using System;


namespace Largest_Matrix_Element
{
    class Program
    {
        private const string
            InitialArray = "Матрица: ",
            MaxElement = "Максимальный элимент: ",
            ResultMatrix = "Матрица без Максимума: ",
            EmptySpace = " ";

        private const int Min = 1, Max = 20, MatrixSize = 10;

        static void Main(string[] args)
        {
            int[,] matrix = new int[MatrixSize, MatrixSize];
            int maxI = 0, maxJ = 0;

            Random random = new Random();
            Console.WriteLine(InitialArray);

            for (int i = 0; i < MatrixSize; i++)
            {
                for (int j = 0; j < MatrixSize; j++)
                {
                    matrix[i, j] = random.Next(Min, Max);
                    Console.Write(matrix[i, j] + EmptySpace);

                    if (matrix[maxI, maxJ] < matrix[i, j])
                    {
                        maxI = i;
                        maxJ = j;
                    }
                }

                Console.WriteLine();
            }

            Console.WriteLine();
            Console.WriteLine(MaxElement);
            Console.WriteLine(matrix[maxI, maxJ]);
            Console.WriteLine();
            Console.WriteLine(ResultMatrix);

            matrix[maxI, maxJ] = 0;

            for (int i = 0; i < MatrixSize; i++)
            {
                for (int j = 0; j < MatrixSize; j++)
                {
                    Console.Write(matrix[i, j] + EmptySpace);
                }

                Console.WriteLine();
            }

            Console.ReadKey();
        }
    }
}