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  1. 	#pragma once
  2. 	#include "iostream"
  3. 	#include "conio.h"
  4. 	#include "fstream"
  5. 	#include "string"
  6.  
  7. 	class product
  8. 	{friend class day;
  9.  
  10. 	private:
  11. 	std::string Name;
  12. 	double Kkal;
  13. 	double Belok;
  14. 	double Yglevod;
  15. 	double Gur;
  16.  
  17. 	public:
  18. 	product()
  19. 	{
  20. 		Kkal = Belok = Yglevod = Gur = 0;
  21. 		Name= "  ";
  22. 	}
  23. 	product(double bel, double ygl, double gur, std::string name)
  24. {
  25. 	Belok= bel;
  26. 	Yglevod= ygl;
  27. 	Gur= gur;
  28. 	Kkal= (bel*4)+(ygl*4)+(gur*9);
  29. 	Name= name;
  30.  
  31. }
  32. 	product::product(std::ifstream& fin)
  33. 	{
  34. 		product a;
  35. 		fin>>a.Name;
  36. 		fin>>a.Belok;
  37. 		fin>>a.Gur;
  38. 		fin>>a.Yglevod;
  39. 		fin>>a.Kkal;		
  40. 	}
  41.  
  42.  
  43. 	friend std::ostream& operator<<(std::ostream& os,const product p1)
  44. 	{
  45. 		os<<p1.Name<<p1.Belok<<" белка, "<<p1.Gur<<" жира, "<<p1.Yglevod<<" углеводов, "<<p1.Kkal<<"ккал ";
  46. 		return os;
  47. 	}
  48. 	friend  std::ofstream& operator<<(std::ofstream& fout, const product& p1)
  49. 	{
  50. 	  fout<<p1.Name<<std::endl;
  51.       fout<<p1.Belok <<' '<<p1.Gur<<' '<<p1.Yglevod<<' '<<p1.Kkal<<std::endl;
  52. 	      return fout;
  53. 	}	
  54. 	};
  55. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:1:10: warning: #pragma once in main file
  #pragma once
          ^
prog.cpp:3:20: fatal error: conio.h: No such file or directory
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/L627KQ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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