using System;

using System.Collections.Generic;

​

namespace unit_labs

{

    internal class Program

    {

        static void Main(string[] args)

        {

            int[,] ints;

            while (true)

            {

                try

                {

                    Console.Write("Input the rows and columns of the matrix: ");

                    var read = Console.ReadLine().Split(' ');

                    ints = new int[int.Parse(read[0]), int.Parse(read[1])];

                    break;

                }

                catch

                {

                    Console.WriteLine("Invalid input. Please try again.\n");

                }

            }

            for(int i = 0; i < ints.GetLength(0); i++)

            {

                for(int j = 0;  j < ints.GetLength(1); j++)

                {

                    Console.Write($"element - [{i}], [{j}]: ");

                    while (!int.TryParse(Console.ReadLine(), out ints[i, j])) Console.Write("Invalid input. Please try again.\n\nelement - [{i}], [{j}]: ");

                }

            }

            Console.WriteLine("The matrix is:\n");

            for (int i = 0; i < ints.GetLength(0); i++)

            {

                for (int j = 0; j < ints.GetLength(1); j++)

                {

                    Console.Write(ints[i, j] + " ");

                }

                Console.WriteLine();

            }

            Console.WriteLine("\nThe transpose of the matrix is:\n");

            for (int i = 0; i < ints.GetLength(1); i++)

            {

                for (int j = 0; j < ints.GetLength(0); j++)

                {

                    Console.Write(ints[j, i] + " ");

                }

                Console.WriteLine();

            }

        }

    }

}

​