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  1. #include <iostream>
  2. #include <set>
  3. #include <tuple>
  4.  
  5. using namespace std;
  6.  
  7. class State{
  8. public:
  9. 	int a;
  10. 	int b;
  11. 	State(int a1, int b1){
  12. 		a = a1;
  13. 		b = b1;
  14. 	}
  15. };
  16.  
  17. class Node{
  18. public:
  19. 	State *s;
  20. 	Node(State *s1){
  21. 		s = s1;
  22. 	}
  23. 	Node(){
  24. 		s = NULL;
  25. 	}
  26. };
  27. bool operator==(const State &s1, const State &s2){
  28. 	if(s1.a == s2.a && s1.b == s2.b)
  29. 		return true;
  30. 	else
  31. 		return false;
  32. }
  33. bool operator<(const State &lhs, const State &rhs){
  34.     return tie(lhs.a, lhs.b) < tie(rhs.a, rhs.b);
  35. }
  36. bool operator>(const State &s1, const State &s2){
  37. 	if(s1.a > s2.a && s1.b > s2.b)
  38. 		return true;
  39. 	else
  40. 		return false;
  41. }
  42. int main() {
  43. 	State *s = new State(5, 6);
  44. 	State *z = new State(5, 6);
  45. 	Node *n = new Node(s);
  46. 	set<State> states;
  47. 	states.insert(*s);
  48. 	cout<<states.count(*z);
  49. 	return 0;
  50. }
Success #stdin #stdout 0s 3460KB
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https://ideone.com/iYQyBK
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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