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  1. #include <iostream>
  2.  
  3. class B {};
  4.  
  5. class A {
  6. public:
  7.     B* b;
  8.     A(B *b = new B()) : b(b) {}
  9. };
  10.  
  11.  
  12. int main() {
  13.     A *a1 = new A();
  14.     A *a2 = new A();
  15.     std::cout << a1->b << std::endl;
  16.     std::cout << a2->b << std::endl;
  17.     return 0;
  18. }
  19.  
  20.  
Success #stdin #stdout 0.01s 5520KB
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0x564568412e70
0x564568412eb0
https://ideone.com/iulg3B
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
secret

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