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  1. #include <iostream>
  2. //#include <iomanip>
  3. using namespace std;
  4.  
  5. class Bruch
  6. {
  7. public:
  8.   int Zaehler;
  9.   int Nenner;
  10. };
  11.  
  12. istream& operator >>(istream& stream, const char *literal)
  13. {
  14. 	while (*literal)
  15. 	  if (stream.get() != *literal++)
  16. 	  {
  17. 	    stream.clear(ios::failbit);
  18. 	    break;
  19. 	  }
  20.  
  21. 	return stream;
  22. }
  23.  
  24. istream& operator >>(istream& stream, Bruch& bruch)
  25. {
  26.   stream >> bruch.Zaehler >> "/" >> bruch.Nenner;
  27.   return stream;
  28. }
  29.  
  30. ostream& operator <<(ostream& stream, Bruch bruch)
  31. {
  32.   stream << bruch.Zaehler << "/" << bruch.Nenner;
  33.   return stream;
  34. }
  35.  
  36. int main() {
  37. 	Bruch b;
  38.  
  39. 	cin >> b;
  40. 	if (cin)
  41. 		cout << "parsed correctly: " << b;
  42. 	else
  43. 	    cout << "parse error!";
  44.  
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
5/2
stdout 
parsed correctly: 5/2
https://ideone.com/3X9E64
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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