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  1. #include <algorithm>
  2. #include <vector>
  3.  
  4. namespace model {
  5.  
  6. struct GasStation
  7. {
  8.     double getprice(int kindOfGas) const
  9.     {
  10.         return kindOfGas;
  11.     }
  12. };
  13.  
  14. struct StationVector
  15. {
  16.     std::vector<GasStation> localStations;
  17.  
  18.     struct SortByGrade
  19.     {
  20.         int kindOfGas_;
  21.         SortByGrade(int kindOfGas)
  22.             :kindOfGas_(kindOfGas)
  23.         {
  24.         }
  25.  
  26.         bool operator() (GasStation const &L, GasStation const & R) const
  27.         { 
  28.             // You'll need other comparisons here, but this is a good start...
  29.             return L.getprice(kindOfGas_) < R.getprice(kindOfGas_); 
  30.         }
  31.     };
  32.  
  33.     void sortByGrade(int kindOfGas) 
  34.     {
  35.         std::sort(localStations.begin(), localStations.end(), SortByGrade(kindOfGas));
  36.     }
  37. };
  38.  
  39. }
  40.  
  41. int main()
  42. {
  43.     model::StationVector sv;
  44.     sv.sortByGrade(0);
  45. }
  46.  
Success #stdin #stdout 0s 2848KB
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https://ideone.com/JhNLFx
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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