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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
  11. {
  12.    bool operator()(map_data one, 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. }compare;
  20.  
  21. int main() {
  22.     map<map_data, int, decltype(compare)> the_map;
  23. }
Success #stdin #stdout 0s 2892KB
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https://ideone.com/jE1ZeS
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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