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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Class1 {
  5. public:
  6. 	Class1();
  7. };
  8.  
  9. class Class2: public Class1 {
  10. public:
  11. static int counter;
  12. };
  13.  
  14. int Class2::counter = 0;
  15.  
  16. Class1::Class1() { Class2::counter++;}
  17.  
  18.  
  19. int main() {
  20. 	Class1 c1;
  21.  
  22. 	std::cout << Class2::counter;
  23. }
Success #stdin #stdout 0s 3140KB
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1
https://ideone.com/B3gDSY
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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