تحديات برمجيةالتحدي الخامس - حل التمرين الرابع بلغة C++

#include <iostream>

int main() {

    int pCounter = 0;
    int nCounter = 0;
    int zCounter = 0;

    int rows = 0;
    int cols = 0;
    int **matrix;

    do
    {
        std::cout << "Enter rows number: ";
        std::cin >> rows;
    }
    while (rows <= 0);
    
    do
    {
        std::cout << "Enter cols number: ";
        std::cin >> cols;
    } 
    while (cols <= 0);
    
    matrix = new int *[rows];
    for (int i = 0; i < rows; i++)
    {
        matrix[i] = new int[cols];
    }

    for (int i = 0; i < rows; i++)
    {
        for (int j = 0; j < cols; j++)
        {
            std::cout << "Enter matrix[" << i << "][" << j << "]: ";
            std::cin >> matrix[i][j];
        }
    }

    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++;
            }
        }
    }

    std::cout << "\nNumber of positive numbers: " << pCounter;
    std::cout << "\nNumber of negative numbers: " << nCounter;
    std::cout << "\nNumber of zeros: " << zCounter << "\n";

    char end; std::cin >> end;
    return 0;

}