#include <iostream>
#include <cmath>
#include <fstream>
#include <regex>
#include <exception>

class Regular_Pyramid
{
protected:
	std::string name;
	double side;
	double height;
	double total_area = 1.0;
public:
	static int ostroslupy_duze;

	Regular_Pyramid()
	{
		name = "Pyramid";
		side = 1;
		height = 1;
	}

	Regular_Pyramid(std::string name, double side, double height)
	{
		this->name = name;
		this->side = side;
		this->height = height;
	}
	~Regular_Pyramid() = default;

    virtual void calculate_area()
	{
		/*double triangle_height;
		triangle_height = sqrt(height*height + 0.25 * side * side);
		total_area = side * side + 4 * triangle_height * 0.5 * side;
		std::cout << "Pole powierzchni ostroslupa " << name << " jest rowne: " << total_area << std::endl;*/
	}

};

class Square_Regular_Pyramid : public Regular_Pyramid
{
public:
    
    void calculate_area() override
    {
        /*double triangle_height;
        triangle_height = sqrt(height*height + 0.25 * side * side);
        total_area = side * side + 4 * triangle_height * 0.5 * side;
        std::cout << "Pole powierzchni ostroslupa " << name << " jest rowne: " << total_area << std::endl;*/
        total_area = 2 * side * sqrt(height * height + 0.25 * side * side) + side * side;
    }
    void operator-(int b)
    {
        try
        {
            if(side <= 0) throw "Nie mozna zmiejszyc o podana dlugosc";
            side = side - b;
        }
        catch(const char* e)
        {
            std::cout << e << std::endl;
        }
    }
};