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  1. #include <iostream>
  2. #include <memory>
  3. #include <string>
  4.  
  5. struct link{
  6.     char data;
  7.     std::unique_ptr<link> next;
  8. };
  9.  
  10. class LinkedList {
  11. private:
  12.     std::unique_ptr<link> first;
  13. public:
  14.  
  15.     void Set(const std::string& s){
  16.  
  17.         for (auto c : s) {
  18.             std::unique_ptr<link> node = std::move(first);
  19.             first = std::make_unique<link>();
  20.             first->data = c;
  21.             first->next = std::move(node);
  22.         }
  23.     }
  24.  
  25.     void display() const
  26.     {
  27.         for (const link* node = first.get(); node != nullptr; node = node->next.get()) {
  28.             std::cout << node->data;
  29.         }
  30.     }
  31.  
  32. };
  33.  
  34.  
  35. int main()
  36. {
  37.     LinkedList l;
  38.     l.Set("123");
  39.     l.display();
  40. }
  41.  
Success #stdin #stdout 0s 3460KB
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Standard input is empty
stdout
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321
https://ideone.com/ZPLdXb
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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