تحديات برمجيةالتحدي الخامس - حل التمرين الرابع بلغة C#

using System;

class Program
{
    static void Main(string[] args)
    {
        int rows;
        int cols;
        int pCounter = 0;
        int nCounter = 0;
        int zCounter = 0;
        int[,] matrix;

        do
        {
            Console.Write("Enter rows number: ");
            rows = int.Parse(Console.ReadLine());
        }
        while (rows <= 0);

        do
        {
            Console.Write("Enter cols number: ");
            cols = int.Parse(Console.ReadLine());
        }
        while (cols <= 0);

        matrix = new int[rows, cols];

        for (int i = 0; i < rows; i++)
        {
            for (int j = 0; j < cols; j++)
            {
                Console.Write("Enter matrix[" + i + "][" + j + "]: ");
                matrix[i, j] = int.Parse(Console.ReadLine());
            }
        }

        for (int i = 0; i < rows; i++)
        {
            for (int j = 0; j < cols; j++)
            {
                if (matrix[i, j] > 0)
                {
                    pCounter++;
                }
                else if (matrix[i, j] < 0)
                {
                    nCounter++;
                }
                else
                {
                    zCounter++;
                }
            }
        }

        Console.WriteLine("\nNumber of positive numbers: " + pCounter);
        Console.WriteLine("Number of negative numbers: " + nCounter);
        Console.WriteLine("Number of zeros: " + zCounter);

        Console.ReadKey();
    }
}