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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <class T>
  5. class Set
  6. {
  7.     public:
  8.         Set();
  9.         ~Set();
  10.         void push(const T&);
  11.         bool belongs(const T&) const;
  12.         void remove(const T&);
  13.         const T& min() const;
  14.         const T& max() const;
  15.         unsigned int cardinal() const;
  16.         void show(std::ostream&) const;
  17.  
  18.         friend ostream& operator<<(ostream& os, const Set<T> &c) {
  19.             c.show(os);
  20.             return os;
  21.         }
  22.         struct Node
  23.         {
  24.             Node(const T& v);
  25.             T value;
  26.             Node* left;
  27.             Node* right; 
  28.         };
  29.     private:
  30.  
  31.  
  32.  
  33.         Node* root_;
  34.         int cardinal_;
  35.  
  36.     // This function is the one with errors.
  37.     Node & fatherOfNode(const Node & root, const T & key, const bool hook) const;
  38.  
  39. };
  40.  
  41. template <class T>
  42. typename Set<T>::Node & Set<T>::fatherOfNode(const Set<T>::Node & root, const T & key, const bool hook) const {
  43.     // Some code
  44. }
  45.  
  46. int main() {
  47.  
  48.  
  49. 	// your code goes here
  50. 	return 0;
  51. }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/HpuYca
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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