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  1. #include <iostream>
  2. #include <set>
  3. using namespace std;
  4.  
  5. struct AppleClass
  6. {
  7.     string id;
  8.     int price;
  9.  
  10.     bool operator<(const AppleClass& o) const 
  11.     {
  12.     	return price > o.price;	
  13.     }
  14. };
  15.  
  16. int main() 
  17. {
  18. 	set<AppleClass> myapples;
  19. 	myapples.insert({"apple1", 500});
  20. 	myapples.insert({"apple1", 600});
  21. 	myapples.insert({"apple1", 400});
  22.  
  23. 	auto e = myapples.find({"apple13", 500});
  24. 	cout << e->id << "," << e->price << endl;
  25.  
  26. 	for (auto& apple : myapples)
  27. 	{
  28. 		cout << apple.id << "," << apple.price << endl;
  29.  
  30. 	}
  31. }
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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apple1,500
apple1,600
apple1,500
apple1,400
https://ideone.com/NcjWDZ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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