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  1. #include <memory>
  2. #include <iostream>
  3. #include <string>
  4. #include <vector>
  5. #include <random>
  6. class Animal {
  7. public:
  8. 	virtual const char* Cry() {
  9. 		return "VOID.";
  10. 	}
  11. 	virtual const char* Name() {
  12. 		return "Animal";
  13. 	}
  14. 	typedef std::shared_ptr<Animal> AnimalHolder;
  15. };
  16.  
  17. class Human :public Animal {
  18. 	const char* Cry() {
  19. 		return "バルス！！！";
  20. 	}
  21. 	const char* Name() {
  22. 		return "パズー";
  23. 	}
  24. };
  25.  
  26. class Dog :public Animal {
  27. 	const char* Cry() {
  28. 		return  "ワン！";
  29. 	}
  30. 	const char* Name() {
  31. 		return "犬";
  32. 	}
  33. };
  34. class Cat :public Animal {
  35. 	const char* Cry() {
  36. 		return "ニャー(チャオチュールクレ！！)";
  37. 	}
  38. 	const char* Name() {
  39. 		return "ぬこ";
  40. 	}
  41. };
  42.  
  43.  
  44. Animal::AnimalHolder AnimalFactory(std::size_t X) {
  45. 	switch (X) {
  46. 		case 0:
  47. 			return std::make_shared<Human>();
  48. 		case 1:
  49. 			return std::make_shared<Dog>();
  50. 		case 2:
  51. 			return std::make_shared<Cat>();
  52. 	}
  53.  
  54. 	return Animal::AnimalHolder();
  55. }
  56.  
  57. int main() {
  58.  
  59. 	int N = 2;
  60. 	std::minstd_rand mr;
  61. 	std::uniform_int_distribution<> ui(0, N);
  62. 	std::vector<Animal::AnimalHolder> v;
  63.  
  64. 	for (std::size_t i = 0; i < 16; i++) {
  65. 		v.push_back(AnimalFactory(ui(mr)));
  66. 	}
  67.  
  68. 	for (auto& o : v) {
  69. 		std::cout << o->Name() << " is Cry! "<< o->Cry() << std::endl;
  70. 	}
  71.  
  72.  
  73. 	return 0;
  74.  
  75. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
パズー is Cry! バルス！！！
パズー is Cry! バルス！！！
犬 is Cry! ワン！
ぬこ is Cry! ニャー(チャオチュールクレ！！)
ぬこ is Cry! ニャー(チャオチュールクレ！！)
パズー is Cry! バルス！！！
犬 is Cry! ワン！
犬 is Cry! ワン！
パズー is Cry! バルス！！！
ぬこ is Cry! ニャー(チャオチュールクレ！！)
パズー is Cry! バルス！！！
犬 is Cry! ワン！
犬 is Cry! ワン！
ぬこ is Cry! ニャー(チャオチュールクレ！！)
犬 is Cry! ワン！
犬 is Cry! ワン！
https://ideone.com/3vJCEw
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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