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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using Hash = unsigned;
  5.  
  6. inline Hash constexpr h_(char const *input) {
  7.     return *input ?
  8.         static_cast<Hash>(*input) + 33 * h_(input + 1) :
  9.         5381;
  10. }
  11.  
  12. int main()
  13. {
  14. 	std::string s;
  15. 	std::cin >> s;
  16. 	switch (h_(s.c_str()))
  17. 	{
  18. 		case h_("first"): {
  19. 			std::cout << "first" << std::endl;
  20. 		} break;
  21. 		case h_("second"): {
  22. 			std::cout << "second" << std::endl;
  23. 		} break;
  24. 		case h_("third"): {
  25. 			std::cout << "third" << std::endl;
  26. 		} break;
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/nCjMlQ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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