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  1. #include <stdexcept>
  2. #include <cstring>
  3. class Sales
  4. {
  5. public:
  6.     enum {MONTHS = 12} ; // Może być stalą statyczną
  7.     class bad_index: public std::logic_error
  8.     {
  9.     private:
  10.         int bi; //Zla wartość indeksu
  11.     public:
  12.         explicit bad_index(int ix,
  13.                            const char * s = "Niepoprawny indeks w obiekcie klasy Sales\n");
  14.         int bi_val() const
  15.         {
  16.             return bi;
  17.         }
  18.     };
  19.     explicit Sales(int yy = 0 ) ;
  20.     Sales(int yy, const double * gr , int n ) ;
  21.     virtual ~Sales () { }
  22.     int Year () const
  23.     {
  24.         return year;
  25.     }
  26.     virtual double operator[] (int i) const throw(std::logic_error);
  27.     virtual double & operator[](int i) throw(std::logic_error);
  28. private:
  29.     double gross[MONTHS] ;
  30.     int year;
  31. };
  32.  
  33. class LabeledSales : public Sales
  34. {
  35. public:
  36.     static const int STRLEN = 50; //Może być wyliczeniem
  37.     class nbad_index : public Sales::bad_index
  38.     {
  39.     private:
  40.         char lbl[STRLEN];
  41.     public:
  42.         nbad_index(const char * lb, int ix,
  43.                    const char * s = "Niepoprawny indeks w obiekcie klasy LabeledSales\n");
  44.         const char * label_val()
  45.         {
  46.             return lbl;
  47.         }
  48.     };
  49.     explicit LabeledSales (const char * lb = "brak", int yy = 0 ) ;
  50.     LabeledSales (const char * ib, int yy, const double * gr, int n) ;
  51.     virtual ~LabeledSales() {}
  52.     const char * Label () const
  53.     {
  54.         return label;
  55.     }
  56.     virtual double operator[](int i) const throw(std::logic_error);
  57.     virtual double & operator[](int i) throw(std::logic_error);
  58. private:
  59.     char label[STRLEN];
  60. };
  61.  
  62. int main(){}
Success #stdin #stdout 0s 3292KB
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https://ideone.com/mt00sP
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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