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  1. #include <iostream>
  2. #include <utility>
  3. #include <tuple>
  4. using namespace std;
  5.  
  6. class Foo{
  7. 	int x, y;
  8. public:
  9. 	Foo(int x, int y):x(x),y(y){}
  10. 	bool operator<(const Foo& other)const{
  11. 		return tie(x,y) < tie(other.x, other.y);
  12. 	}
  13. };
  14.  
  15. int main() {
  16. 	// your code goes here
  17. 	Foo a(1,2), b(2,4);
  18. 	cout << (a < b);
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3456KB
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https://ideone.com/aeydT1
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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