Clight_20_MassiveLineRow

Random random = new Random();

int[,] numbers;

int lines = 4;
int rows = 4;

int minNumber = 0;
int maxNumber = 9;

int numberLine = 2;
int numberRow = 1;

int sumNumbers = 0;
int multiplyNumbers = 1;

numbers = new int[lines, rows];

for (int i = 0; i < numbers.GetLength(0); i++)
{
    for (int j = 0; j < numbers.GetLength(1); j++)
    {
        numbers[i, j] = random.Next(minNumber, maxNumber);

        Console.Write($"{numbers[i, j]} ");
    }

    Console.WriteLine();
}

for (int i = 0; i < numbers.GetLength(1); i++)
{
    sumNumbers += numbers[numberLine - 1, i];
}

for (int i = 0; i < numbers.GetLength(0); i++)
{
    multiplyNumbers *= numbers[i, numberRow - 1];
}

Console.WriteLine($"\nСумма {numberLine} строки: {sumNumbers}");
Console.WriteLine($"Произведение {numberRow} ряда: {multiplyNumbers}");
Console.ReadKey();