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  1. #include <iostream>
  2. 	#include <vector>
  3.  
  4. 	const std::vector<std::string> simple {
  5. 		"twelve", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
  6. 		"ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen",
  7. 		"nineteen"
  8. 	};
  9.  
  10. 	const std::vector<std::string> units {
  11. 		"oh", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
  12. 	};
  13.  
  14. 	const std::vector<std::string> dozens {
  15. 		"", "ten", "twenty", "thirty", "fourty", "fifty"
  16. 	};
  17.  
  18. 	std::string to_hours(const std::string& input)
  19. 	{
  20. 		return simple[std::stoi(input) % 12];
  21. 	}
  22.  
  23. 	std::string to_minutes(const std::string& input)
  24. 	{
  25. 		size_t number = std::stoi(input);
  26. 		if(number == 0)
  27. 			return "";
  28. 		if(1 <= number && number < simple.size())
  29. 			return 1 <= number && number <= 9 ? "oh " + simple[number] : simple[number];
  30. 		std::string result  = dozens[input[0] - '0'];
  31. 		if(input[1] != '0')
  32. 			result += " " + units[input[1] - '0'];
  33. 		return result;
  34. 	}
  35.  
  36. 	int main()
  37. 	{
  38. 		std::string line;
  39. 		while(getline(std::cin, line))
  40. 		{
  41. 			size_t colon = line.find(':');
  42. 			std::string hour = line.substr(0, colon);
  43. 			std::string minute = line.substr(colon + 1);
  44.  
  45. 			std::cout << "It's " << to_hours(hour) << ' ';
  46. 			std::string minutes = to_minutes(minute);
  47. 			if(minutes.length())
  48. 				std::cout << minutes << ' ';
  49. 			int number = std::stoi(hour);
  50. 			std::cout << (0 <= number && number <= 11 ? "am" : "pm") << std::endl;
  51. 		}
  52. 	}
Success #stdin #stdout 0s 15248KB
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stdin
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00:00
01:30
12:05
14:01
20:29
21:00
stdout
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It's twelve am
It's one thirty am
It's twelve oh five pm
It's two oh one pm
It's eight twenty nine pm
It's nine pm
https://ideone.com/1SYop6
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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