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Jan 20th, 2020
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  1. #include <windows.h>
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. SetConsoleCP(1251);
  9. SetConsoleOutputCP(1251);
  10.  
  11. struct Parent {
  12. Parent() {
  13. cout << "P - есть" << endl;
  14. }
  15. virtual ~Parent() { cout << "P - нет" << endl; } //закомментить virtual дабы увидеть эффект "утечки памяти"
  16. };
  17. struct Children : Parent {
  18. Children() {
  19. cout << "C - есть" << endl;
  20. }
  21. ~Children() { cout << "C - нет" << endl; }
  22. };
  23.  
  24. Parent* mama = new Parent();
  25. Parent* papa = new Children();
  26.  
  27. delete mama;
  28. delete papa;
  29.  
  30. system("pause > NUL");
  31. return EXIT_SUCCESS;
  32. }
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