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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. // Base class
  6. class Media {
  7. protected:
  8.     string title;
  9.     double duration;
  10.  
  11. public:
  12.     Media(string t, double d) : title(t), duration(d) {}
  13.  
  14.     virtual void display() const {
  15.         cout << "Title: " << title << "\nDuration: " << duration << " minutes" << endl;
  16.     }
  17.  
  18.  
  19. };
  20.  
  21. // Subclass: Song
  22. class Song : public Media {
  23. private:
  24.     string artist, genre;
  25.  
  26. public:
  27.     Song(string t, double d, string a, string g)
  28.         : Media(t, d), artist(a), genre(g) {}
  29.  
  30.     void display() const override {
  31.         Media::display();
  32.         cout << "Artist: " << artist << "\nGenre: " << genre << endl;
  33.     }
  34. };
  35.  
  36. // Subclass: Podcast
  37. class Podcast : public Media {
  38. private:
  39.     string episode;
  40.  
  41. public:
  42.     Podcast(string t, double d, string e)
  43.         : Media(t, d), episode(e) {}
  44.  
  45.     void display() const override {
  46.         Media::display();
  47.         cout << "Episode: " << episode << endl;
  48.     }
  49. };
  50.  
  51. int main() {
  52.     // Stack-allocated objects
  53.     Song song("Imagine", 3.5, "John Lennon", "Pop");
  54.     Podcast podcast("Tech Talks", 45.0, "Episode 12: AI Trends");
  55.  
  56.     // Directly call display() for each object
  57.     song.display();
  58.     cout << "-------------------" << endl;
  59.  
  60.     podcast.display();
  61.     cout << "-------------------" << endl;
  62.  
  63.     return 0;
  64. }
  65.  
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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Title: Imagine
Duration: 3.5 minutes
Artist: John Lennon
Genre: Pop
-------------------
Title: Tech Talks
Duration: 45 minutes
Episode: Episode 12: AI Trends
-------------------
https://ideone.com/rJYOEs
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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