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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A{
  5. public:
  6.     int a;
  7.     A (int a_ = 0) : a(a_) {}
  8. };
  9.  
  10. int * c;
  11.  
  12. A& generator(int b = 5) {
  13.     A& a = *new A(b);
  14.     c = &(a.a);
  15.     return a;
  16. }
  17.  
  18. int main() {
  19. 	// your code goes here
  20.     A& a = generator();
  21.     std::cout << a.a << std::endl;
  22.     *c = 6;
  23.     std::cout << a.a << std::endl;
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3460KB
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Standard input is empty
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5
6
https://ideone.com/wTdD4c
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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