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  1. #include <map>
  2.  
  3. using std::map;
  4.  
  5. struct map_data {
  6.    int data1;
  7.    int data2;
  8. };
  9.  
  10. struct map_data_comparator
  11. {
  12.    bool operator()(const map_data& one, const map_data& two) const
  13.    {
  14.       if (one.data1 == two.data1)
  15.          return one.data2 > two.data2;
  16.       else
  17.          return one.data1 < two.data1;
  18.    }
  19. };
  20.  
  21. int main()
  22. {
  23.     map<map_data, int, map_data_comparator> the_map;
  24. }
Success #stdin #stdout 0s 2848KB
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https://ideone.com/A78TDP
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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