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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. class Wektor
  5. {
  6.     int x;
  7. public:
  8.     Wektor():x(0){}
  9.  
  10.     friend ostream& operator<<(ostream& out,const Wektor& ob)
  11.     {
  12.         return out << ob.x;
  13.     }
  14.     static int zmien(Wektor * const thisObj, int y)
  15.     {
  16.        return thisObj->x=y;
  17.     }
  18.  
  19.     };
  20. int main()
  21. {
  22.     Wektor w;
  23.     cout << w;
  24.     operator<<(cout,w);
  25.     cout << Wektor::zmien(&w, 20);
  26.     return 0;
  27. }
Success #stdin #stdout 0s 3456KB
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0020
https://ideone.com/xbMDlc
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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