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  1. struct Node {};
  2.  
  3. void addNode(Node*& f)
  4. {
  5.   f = new Node();
  6. }
  7.  
  8. #include <iostream>
  9.  
  10. int main()
  11. {
  12.   Node* f = nullptr;
  13.   std::cout << f << std::endl;
  14.   addNode(f);
  15.   std::cout << f << std::endl;
  16. }
  17.  
Success #stdin #stdout 0s 3428KB
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https://ideone.com/gtGbUz
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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