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  1. #include <unordered_map>
  2. #include <vector>
  3. #include <bitset>
  4. #include <string>
  5. #include <utility>
  6.  
  7.  
  8.  struct IntTriple
  9.  {
  10. 	int a, b, c;
  11.  
  12. 	IntTriple(int a = 0, int b = 0, int c = 0)
  13. 		: a(a), b(b), c(c)
  14. 	{ }
  15.  
  16. 	bool operator==(IntTriple const& oth) const
  17. 	{
  18. 		return this->a == oth.a && this->b == oth.b && this->c == oth.c;
  19. 	}
  20.  };
  21.  
  22.  
  23. struct IntTripleHash {
  24. 	std::size_t operator()(const IntTriple& k) const
  25. 	{
  26. 		return k.a + k.b + k.c;
  27. 		//return k.a + 100*k.b + 10000*k.c
  28. 		// hier bessere Funktionen bauen
  29. 	}
  30. };
  31.  
  32. int main()
  33. {
  34.     std::unordered_map<IntTriple, std::string, IntTripleHash> l1;
  35.  
  36. 	l1[IntTriple(1, 2, 3)] = "abc";
  37. 	l1[IntTriple(1, 2, 5)] = "cbde";
  38. }
Success #stdin #stdout 0s 3428KB
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https://ideone.com/C7k5M2
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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