using System;

​

namespace ConsoleApplication1

{

    public class Program

    {

        public static void Main()

        {

            var matrixInt = new GenericMatrix<int>(5, 5, GetInt);

            var matrixDouble = new GenericMatrix<double>(5, 5, GetDouble);

        }

​

        public static int GetInt(int x, int y)

        {

            var valueAsString = Console.ReadLine();

            return Convert.ToInt32(valueAsString);

        }

​

        public static double GetDouble(int x, int y)

        {

            var valueAsString = Console.ReadLine();

            return Convert.ToDouble(valueAsString);

        }

    }

​

    public class GenericMatrix<Number>

    {

        private readonly Number[,] _matrix;

​

        public delegate Number GetNumber(int x, int y);

​

        public GenericMatrix(int cols, int rows, GetNumber getNumberFunc)

        {

            _matrix = new Number[cols, rows];

​

            for (var x = 0; x < cols; x++)

                for (var y = 0; y < rows; y++)

                    _matrix[x, y] = getNumberFunc(x, y);

        }

    }

}