HW: Working With Specific Rows Or Columns

using System;

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

            int countRows = 3;
            int countCols = 3;

            int[,] matrix = new int[countRows, countCols];

            int minValue = 1;
            int maxValue = 100;
            int sumRow = 0;
            int prodColumn = 1;
            int numberRow = 2;
            int numberColumn = 1;

            for (int i = 0; i < countRows; i++)
            {
                for (int j = 0; j < countCols; j++)
                {
                    matrix[i, j] = random.Next(minValue, maxValue + 1);
                }
            }

            Console.WriteLine("Исходная матрица:");

            for (int i = 0; i < countRows; i++)
            {
                for (int j = 0; j < countCols; j++)
                {
                    Console.Write($"{matrix[i, j]} ");
                }
                Console.WriteLine();
            }

            for (int j = 0; j < countCols; j++)
            {
                sumRow += matrix[numberRow - 1, j];
            }

            for (int i = 0; i < countRows; i++)
            {
                prodColumn *= matrix[i, numberColumn - 1];
            }

            Console.WriteLine($"Сумма второй строки: {sumRow}");
            Console.WriteLine($"Произведение первого столбца: {prodColumn}");
        }
    }
}