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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A
  5. {
  6. 	private:
  7. 		int* a_ptr_;	
  8. 	public:
  9. 		A()=default;
  10. 		bool compare(){return a_ptr_==nullptr;}
  11. };
  12.  
  13.  
  14. int main() {
  15. 	// your code goes here
  16. 	A a;
  17. 	cout << a.compare() <<endl;
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 3296KB
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https://ideone.com/ggg8bp
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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