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  1. #include <iostream>
  2.  
  3. class A {
  4.         static int counter;
  5. public:
  6.         A();
  7.         int getCounter() { return counter; }
  8. };
  9.  
  10. A::A() {
  11.         counter++;
  12. }
  13.  
  14. int A::counter = 0;
  15.  
  16. int main()
  17. {
  18.         A obj;
  19.  
  20.         std::cout << obj.getCounter() << std::endl;
  21.  
  22.         return 0;
  23. }
  24.  
Success #stdin #stdout 0s 3456KB
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https://ideone.com/WNADdy
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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