#include <iostream>
#include "Matrix.h"

int main() {
    const int m = 3, n = 4;
    Matrix<int, m, n> a;
    int k = 1;
    std::cout << "Matrix:" << std::endl;
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            a[i][j] = i * j * (k *= -1);
            std::cout << a[i][j] << ' ';
        }
        std::cout << std::endl;
    }
    std::cout << std::endl << "Positive elements of matrix:";
    for (int elem : a) {
        std::cout << ' ' << elem;
    }
    std::cout << std::endl << "Positive elements of matrix (reversed order):";
    for (auto elem = a.end()--; elem != a.begin(); elem--) {
        std::cout << ' ' << *elem;
    }
    std::cout << std::endl;
    return 0;
}