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  1. #include <iostream>
  2.  
  3. class foo{
  4.     static int idgen;
  5. protected:
  6.     int id;
  7. public:
  8.     foo(){
  9.         id = idgen++;
  10.         std::cout << "Hello  ( foo - "<<id<<")"<<std::endl;
  11.     }
  12.     virtual ~foo(){
  13.         std::cout << "Bye bye ( foo - "<<id<<")"<<std::endl;
  14.     };
  15. };
  16.  
  17. int foo::idgen = 0;
  18.  
  19.  
  20. class bar: public foo{
  21.     double some_data[20];
  22. public:
  23.     bar(){
  24.  
  25.     std::cout << "Hello  ( bar - "<<id<<")"<<std::endl;
  26. }
  27.     virtual ~bar() override{
  28.         std::cout << "Bye bye ( bar - "<<id<<")"<<std::endl;
  29.     }
  30. };
  31.  
  32. int main()
  33. {
  34.     const unsigned int size = 2;
  35.     foo* test = new bar[size];
  36.     delete[] test;
  37. }
Runtime error #stdin #stdout 0s 3032KB
comments (?)
stdin
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Standard input is empty
stdout
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Hello  ( foo - 0)
Hello  ( bar - 0)
Hello  ( foo - 1)
Hello  ( bar - 1)
https://ideone.com/z876QX
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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