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  1. #include <iostream>
  2. #include <stdexcept>
  3. #include <string>
  4. #include <sstream>
  5. #include <limits>
  6. #include <map>
  7. struct Customer
  8. {
  9.     double X;
  10. 	double Y;
  11. 	explicit Customer(double X = 0., double Y = 0.)
  12. 		: X(X), Y(Y)
  13. 	{
  14. 	}
  15. };
  16. template<typename CharT>
  17. std::basic_istream<CharT>& operator>> (std::basic_istream<CharT>& Stream, Customer& Object)
  18. {
  19. 	if(!(Stream >> Object.X) || !(Stream >> Object.Y))
  20. 	{
  21. 		throw std::invalid_argument(std::string("Couldn't parse input"));
  22. 	}
  23. 	return Stream;
  24. }
  25. template<typename CharT, typename Traits>
  26. std::basic_ostream<CharT, Traits>& operator<< (std::basic_ostream<CharT, Traits>& Stream, Customer const& Object)
  27. {
  28. 	::std::basic_ostringstream<CharT, Traits> StrStream;
  29. 	StrStream.flags(Stream.flags());
  30. 	StrStream.imbue(Stream.getloc());
  31. 	StrStream.precision(Stream.precision());
  32.  
  33. 	StrStream << Object.X << '\t' << Object.Y;
  34.  
  35. 	return Stream << StrStream.str();
  36. }
  37. int main()
  38. {
  39.     std::istream& Source = std::cin;
  40. 	Source.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
  41. 	typedef std::map<unsigned, Customer> ListType;
  42. 	ListType List;
  43. 	{
  44. 		unsigned Nr;
  45. 		Customer InputCustomer;
  46. 		try
  47. 		{
  48. 			while((Source >> Nr) && (Source >> InputCustomer))
  49. 			{
  50. 				List[Nr] = InputCustomer;
  51. 			}
  52. 		}
  53. 		catch(std::invalid_argument const& Exception)
  54. 		{
  55. 			std::cerr << Exception.what();
  56. 			return -1;
  57. 		}
  58. 	}
  59. 	std::cout << "Nr.\tX\tY\n";
  60. 	for(ListType::const_iterator i = List.begin(); i != List.end(); ++i)
  61. 	{
  62. 		std::cout << i->first << '\t' << i->second << '\n';
  63. 	}
  64. }
Success #stdin #stdout 0s 3440KB
comments (?)
stdin 
nr. X   Y 
1   91  5 
2   56  77 
3   79  89 
4   12  46 
5   97  22 
6   90  9 
7   80  30 
8   62  26 
9   5   45 
10  32  36
stdout 
Nr.	X	Y
1	91	5
2	56	77
3	79	89
4	12	46
5	97	22
6	90	9
7	80	30
8	62	26
9	5	45
10	32	36
https://ideone.com/YPU2iS
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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