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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. class Glowna
  6. {
  7. 	int a;
  8. 	int b;
  9. public:
  10. 	Glowna(int z, int y):a(z),b(y) {}
  11. 	virtual int getA() const final { return a; }
  12. };
  13.  
  14. class Pochodna1 : public Glowna
  15. {
  16. 	int c;
  17. public:
  18. 	Pochodna1():Glowna(1,2),c(3) {}
  19. };
  20.  
  21. class Pochodna2 : public Glowna
  22. {
  23. 	int d;
  24. public:
  25. 	Pochodna2():Glowna(4,5),d(6) {}
  26. 	int Metoda() { cout << "metoda\n"; return d; }
  27. };
  28.  
  29. class Pochodna3 : public Glowna
  30. {
  31. 	int e;
  32. public:
  33. 	Pochodna3():Glowna(7,8),e(9) {}
  34. };
  35.  
  36. int main()
  37. {
  38. 	vector<Glowna*> tablica;
  39. 	tablica.push_back(new Pochodna1());
  40. 	tablica.push_back(new Pochodna2());
  41. 	tablica.push_back(new Pochodna3());
  42.  
  43. 	for (int i = 0; i < 3; i++)
  44. 	{
  45. 		if (tablica[i]->getA() == 4)
  46. 		{
  47. 			Pochodna2* p = (Pochodna2*)tablica[i];
  48. 			p->Metoda();
  49. 		}
  50. 	}
  51. }
Success #stdin #stdout 0s 3228KB
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metoda
https://ideone.com/0ca5SQ
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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