Przechowywanie listy elementow

#include <iostream>
#include <string>
using namespace std;

struct Punkt {
    int x;
    int y;

    void Wypisz(){
        cout << "Wspolrzedne punktu: (" << x << "," << y << ")";
    }
};

struct Prostokat {
    Punkt a1;
    Punkt a2;

    void Wypisz(){
        cout << "Prostokat ABCD: \n";
        cout << "Punkt A: (" << a1.x << "," << a1.y << ")\n";
        cout << "Punkt B: (" << a2.x << "," << a1.y << ")\n";
        cout << "Punkt C: (" << a2.x << "," << a2.y << ")\n";
        cout << "Punkt D: (" << a1.x << "," << a2.y << ")\n";
    }
}; 

struct Obrazek
  {
   size_t count;
   Prostokat tb[100];
  };