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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. class Movie {
  6. public:
  7.    Movie(string movieTitle);
  8.    void SetVotes(int numUpVotes, int numDownVotes) {
  9.       upVotes = numUpVotes;
  10.       downVotes = numDownVotes;
  11.    }
  12.    string GetTitle() const { return title; }
  13.    int GetVoteDifference() const { return upVotes - downVotes; }
  14.  
  15. private:
  16.    string title;
  17.    int upVotes;
  18.    int downVotes;
  19. };
  20.  
  21. Movie::Movie(string movieTitle) {
  22.    title = movieTitle;
  23.    upVotes = 0;
  24.    downVotes = 0;
  25. }
  26.  
  27. bool operator==(const Movie& movie1, const Movie& movie2) {
  28.    return movie1.GetVoteDifference() == movie2.GetVoteDifference();
  29. }
  30.  
  31. bool operator!=(const Movie& movie1, const Movie& movie2) { 
  32.    return !(movie1 == movie2); 
  33. }
  34.  
  35. bool operator<(const Movie& movie1, const Movie& movie2) {
  36.    return movie1.GetVoteDifference() < movie2.GetVoteDifference();
  37. }
  38.  
  39. bool operator>(const Movie& movie1, const Movie& movie2) { 
  40.    return movie2 < movie1; 
  41. }
  42.  
  43. bool operator<=(const Movie& movie1, const Movie& movie2) { 
  44.    return !(movie1 > movie2); 
  45. }
  46.  
  47. bool operator>=(const Movie& movie1, const Movie& movie2) { 
  48.    return !(movie1 < movie2); 
  49. }
  50.  
  51. int main() {
  52.    Movie movie1("Cars");
  53.    Movie movie2("Up");
  54.    Movie movie3("It");
  55.    Movie movie4("Frozen");
  56.  
  57.    movie1.SetVotes(11, 6);
  58.    movie2.SetVotes(13, 5);
  59.    movie3.SetVotes(14, 4);
  60.    movie4.SetVotes(14, 2);
  61.  
  62.    if (movie1 == movie3) {
  63.       cout << movie1.GetTitle();
  64.       cout << " is equal to "; 
  65.       cout << movie3.GetTitle() << endl;
  66.    }
  67.  
  68.    if (movie1 >= movie2) {
  69.       cout << movie1.GetTitle();
  70.       cout << " is at least as good as ";
  71.       cout << movie2.GetTitle() << endl;
  72.    } 
  73.    else if (movie1 < movie2) {
  74.       cout << movie1.GetTitle();
  75.       cout << " is worse than ";
  76.       cout << movie2.GetTitle() << endl;
  77.    }
  78.  
  79.    return 0;
  80. }
Success #stdin #stdout 0.01s 5288KB
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Cars is worse than Up
https://ideone.com/Iix2fZ
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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