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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. class Watch {
  6. public:
  7.    void SetHours(int watchHours) {
  8.       hours = watchHours;
  9.    }
  10.  
  11.    void SetMins(int watchMins) {
  12.       mins = watchMins;
  13.    }
  14.  
  15.    virtual void PrintItem() {
  16.       cout << hours << ":" << mins << endl;
  17.    }
  18.  
  19. protected:
  20.    int hours;
  21.    int mins;
  22. };
  23.  
  24. class SmartWatch : public Watch {
  25. public:
  26.    void SetPercentage(int watchPercentage) {
  27.       batteryPercentage = watchPercentage;
  28.    }
  29.  
  30.    void PrintItem() {
  31.       cout << hours << ":" << mins << " " << batteryPercentage << "%" << endl;
  32.    }
  33.  
  34. private:
  35.    int batteryPercentage;
  36. };
  37.  
  38. int main() {
  39.    SmartWatch* watch1;
  40.    SmartWatch* watch2;
  41.    Watch* watch3;
  42.  
  43.    vector<Watch*> watchList;
  44.    unsigned int i;
  45.  
  46.    watch1 = new SmartWatch();
  47.    watch1->SetHours(3);
  48.    watch1->SetMins(50);
  49.    watch1->SetPercentage(65);
  50.  
  51.    watch2 = new SmartWatch();
  52.    watch2->SetHours(1);
  53.    watch2->SetMins(21);
  54.    watch2->SetPercentage(96);
  55.  
  56.    watch3 = new Watch();
  57.    watch3->SetHours(2);
  58.    watch3->SetMins(12);
  59.  
  60.    watchList.push_back(watch2);
  61.    watchList.push_back(watch1);
  62.    watchList.push_back(watch3);
  63.  
  64.    for (i = 0; i < watchList.size(); ++i) {
  65.       watchList.at(i)->PrintItem();
  66.    }
  67.  
  68.    return 0;
  69. }
Success #stdin #stdout 0.01s 5288KB
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1:21 96%
3:50 65%
2:12
https://ideone.com/wAppep
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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