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  1. #include <iostream>
  2. #include <array>
  3. #include <string>
  4. #include <sstream>
  5. using namespace std;
  6.  
  7. string prettify_index(size_t idx) {
  8. 	return { static_cast<char>('a'+idx) };
  9. }
  10.  
  11. size_t unprettify_index(string const &sidx) {
  12. 	return static_cast<size_t>(sidx[0]-'a');
  13. }
  14.  
  15. struct quiz {
  16. 	string question;
  17. 	string proper_answer;
  18. 	array<string, 5> answers;
  19.  
  20.  
  21. 	quiz(string const &question, string const &proper_answer, decltype(answers) const &answers):
  22. 		question(question),
  23. 		answers(answers),
  24. 		proper_answer(proper_answer)
  25. 	{}
  26.  
  27. 	string pretty_string() const {
  28. 		stringstream out;
  29. 		out << "Pytanie:\n\t" << question << endl
  30. 		    << "Możliwe odpowiedzi:" << endl;
  31.  
  32. 		for(auto i = 0u; i < answers.size(); ++i) {
  33. 			out << "\t" << prettify_index(i) << ". " << answers[i] << endl;
  34. 		}
  35.  
  36. 		return out.str();
  37. 	};
  38.  
  39. 	bool validate(string const &answer) const {
  40. 		return proper_answer == answer;
  41. 	}
  42.  
  43. 	bool validate(size_t idx) const {
  44. 		return proper_answer == answers[idx];
  45. 	}
  46. };
  47.  
  48. int main() {
  49. 	quiz q {
  50. 		"Stolica Polski?",
  51. 		"Warszawa",
  52. 		{
  53. 			"Warszawa",
  54. 			"Poznań",
  55. 			"Kraków",
  56. 			"Gdańsk",
  57. 			"Toruń"
  58. 		}
  59. 	};
  60.  
  61. 	cout << q.pretty_string();
  62.  
  63. 	cout << "Twoja odpowiedź:\n";
  64. 	string answer;
  65. 	cin >> answer;
  66. 	cout << "\t" << (q.validate(unprettify_index(answer))? "Poprawna!" : "Niepoprawna.");
  67.  
  68. 	return 0;
  69. }
Success #stdin #stdout 0s 16072KB
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Pytanie:
	Stolica Polski?
Możliwe odpowiedzi:
	a. Warszawa
	b. Poznań
	c. Kraków
	d. Gdańsk
	e. Toruń
Twoja odpowiedź:
	Niepoprawna.
https://ideone.com/INRNkK
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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