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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5. class Time {
  6.     int hour;
  7.     int minute;
  8. public:
  9.     Time(int h, int m) : hour(h), minute(m) {
  10.     }
  11.  
  12.     int getHour() const { return hour; }
  13.     int getMinute() const { return minute; }
  14. };
  15.  
  16. class Times {
  17.     std::vector<Time> t;
  18.     static bool lowerThan(const Time& a, const Time& b) { return a.getHour() < b.getHour(); }
  19.  
  20. public:
  21.     Times() {
  22.         // Test data
  23.         t.push_back(Time{10, 10});
  24.         t.push_back(Time{9, 20});
  25.         t.push_back(Time{8, 30});
  26.  
  27.         //std::sort(t.begin(), t.end(), lowerThan);
  28.  
  29.         std::sort(t.begin(), t.end(), [] (const Time& a, const Time& b) { 
  30.             return a.getHour() < b.getHour(); 
  31.         });
  32.     }
  33.  
  34.     void display() {
  35.         for (const auto& x : t) {
  36.             std::cout << x.getHour() << ":" << x.getMinute() << '\n';
  37.         }
  38.     }
  39. };
  40.  
  41. int main() {
  42.     Times times;
  43.     times.display();
  44. }
  45.  
Success #stdin #stdout 0s 3464KB
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8:30
9:20
10:10
https://ideone.com/b6l6vS
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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