#include <string>
#include <iostream>
#include <vector>
#include <sstream>

using namespace std;

class Figure
{
public:
    Figure (string const& name)
        : name{name}
    {}
    
    virtual ~Figure() = default;

    virtual double calc_volume () = 0;
    
    virtual string to_string ()
    {
        ostringstream oss{};
        oss << "Figure " << name
            << "s volume is "
            << calc_volume() << "\n"; 

        //oss << "Figure " << name;
        
        return oss.str();
    }
        
private:
    string name;
};

class Pyramid : public Figure
{
public:
    Pyramid (string const& name, int height, int width, int breadth)
        : Figure{name}, height{height}, width{width}, breadth{breadth}
    {}

    double calc_volume () override
    {
        return (width * breadth * height) / 3.0;
    }

    string to_string () override
    {
        ostringstream oss{};
        oss << Figure::to_string()
        //<< "s volume is " << calc_volume() << "\n" 
            << "The dimensions are:\n"
            << "height = " << height << "\n"
            << "width = " << width << "\n"
            << "breadth = " << breadth << "\n";

       
        return oss.str();
    }

private:
 
    int height;
    int width;
    int breadth;
};


class Sphere : public Figure
{
public:
    Sphere (string const& name, int radius)
        : Figure{name}, radius{radius}
    {}

    double calc_volume () override
    {
        return (4 * radius * radius * radius) / 3.0;
    }

    string to_string () override
    {
        ostringstream oss{};
        oss << Figure::to_string()
        //<< "s volume is " << calc_volume() << "\n" 
            << "The dimensions are: \n"
            << "radius = " << radius << "\n";
       
        return oss.str();
    }

private:
    int radius;
};

int main ()
{
    vector<Figure*> figures{};
    figures.push_back(new Pyramid{"Pyramid", 4, 4, 4});
    figures.push_back(new Sphere{"Sphere", 4});
   
    for (Figure* figure : figures)
    {
        cout << figure -> to_string() << endl;
    }

    for (Figure* figure : figures)
    {
        delete figure;
    }
}