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  1. #include <iostream>
  2. #include <memory>
  3. #include <string>
  4. #include <tuple>
  5. #include <map>
  6.  
  7. struct Mocha {
  8. 	std::string str;
  9. };
  10.  
  11. class Govno {
  12. 	std::map<std::tuple<int, int>, std::shared_ptr<Mocha>> map_;
  13. public:
  14. 	std::shared_ptr<Mocha> getMocha(int a, int b) {
  15. 		auto item = map_.find({ a, b });
  16. 		if(item == map_.end()) {
  17. 			return nullptr;
  18. 		}
  19. 		return item->second;
  20. 	}
  21. 	void setMocha(int a, int b, std::string str) {
  22. 		std::shared_ptr<Mocha> m;
  23. 		auto item = map_.find({ a, b });
  24. 		if(item != map_.end()) {
  25. 			m = item->second;
  26. 		} else {
  27. 			const auto res = map_.insert({{ a, b }, std::make_shared<Mocha>()});
  28. 			m = res.first->second;
  29. 		}
  30. 		m->str = std::move(str);
  31. 	}
  32. };
  33.  
  34. int main() {
  35. 	auto pgovno = std::make_unique<Govno>();
  36. 	pgovno->setMocha(42,42, "hui");
  37. 	auto pmocha = pgovno->getMocha(42,42);
  38. 	std::cout << pmocha->str << std::endl; //печатает hui
  39. 	pgovno->setMocha(42, 42, "pizda");
  40. 	std::cout << pmocha->str << std::endl; //печатает pizda
  41. }
Success #stdin #stdout 0s 4352KB
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hui
pizda
https://ideone.com/jMPyC4
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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