namespace ConsoleApp1;

using System.Text;

public class Task20
{
    public void Run()
    {
        Console.InputEncoding = Encoding.Unicode;
        Console.OutputEncoding = Encoding.Unicode;

        int randomRangeIncludedLowBound = 1;
        int randomRangeExcludedHighBound = 10;
        Random random = new Random();

        int columnsCount = 5;
        int rowsCount = 4;
        int[,] matrix = new int[rowsCount, columnsCount];

        bool canExit = false;

        while ( canExit == false )
        {
            Console.Clear();

            string displayedMatrix = string.Empty;

            int desiredColumnIndex = 0;
            int multiplyOfDesiredColumn = 1;

            int desiredRowIndex = 1;
            int sumOfDesiredRow = 0;

            for ( int i = 0; i < rowsCount; i++ )
            {
                for ( int j = 0; j < columnsCount; j++ )
                {
                    matrix[i, j] = random.Next( randomRangeIncludedLowBound, randomRangeExcludedHighBound );
                    displayedMatrix = $"{displayedMatrix}{matrix[i, j]} ";

                    if ( j == desiredColumnIndex )
                        multiplyOfDesiredColumn *= matrix[i, j];

                    if ( i == desiredRowIndex )
                        sumOfDesiredRow += matrix[i, j];
                }

                displayedMatrix = $"{displayedMatrix}\n";
            }

            displayedMatrix = $"{displayedMatrix}\n";

            Console.WriteLine( displayedMatrix );
            Console.WriteLine( $"Calculations result: \nmultiply of column {desiredColumnIndex} is {multiplyOfDesiredColumn}\n" +
                               $"sum of row {desiredRowIndex} is {sumOfDesiredRow}\n" );

            string properlyExitAnswer = "n";
            Console.WriteLine( $"Continue? Enter \'{properlyExitAnswer}\' for exit" );
            string continueAnswer = Console.ReadLine();

            canExit = string.Equals( continueAnswer, properlyExitAnswer );
        }
    }
}