Basic_Task12

using System;

namespace Basic_Task12
{
    class Program
    {
        static void Main(string[] args)
        {
            int[,] array = {
                {1, 2, 3, 4},
                {5, 3, 8, 4},
                {-5, -2, -10, 0},
                {3, 0, 8, 1},
                {3, 0, 8, 1}
            };

            int sum = 0;
            int multi = 1;

            for (int i = 0; i < array.GetLength(1); i++)
            {
                sum += array[1, i];
            }

            for (int j = 0; j < array.GetLength(0); j++)
            {
                multi *= array[j, 0];
            }

            for (int i = 0; i < array.GetLength(0); i++)
            {
                for (int j = 0; j < array.GetLength(1); j++)
                {
                    Console.Write(array[i, j] + " ");
                }
                Console.WriteLine();
            }

            Console.WriteLine("Сумма: " + sum);
            Console.WriteLine("Произведение: " + multi);
        }
    }
}