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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class weight
  6. {
  7. public:
  8.     int num;
  9.     weight();
  10.     weight(int);
  11.     weight operator+(weight);
  12. friend ostream & operator << (ostream & os,const weight &);
  13. };
  14.  
  15. ostream & operator << (ostream & os,const weight & w)
  16. {
  17. os<<w.num<<std::endl;
  18. return os;
  19. }
  20. weight::weight()
  21. {
  22.  
  23. }
  24.  
  25. weight::weight(int x)
  26. {
  27.     num = x;
  28. }
  29.  
  30. weight weight::operator+(weight obj)
  31. {
  32.     weight newWeight;
  33.     newWeight.num = num + obj.num;
  34.     return(newWeight);
  35. }
  36.  
  37.  
  38. int main( ) {
  39.  
  40.     weight w1(6);
  41.     weight w2(10);
  42.     weight w3;
  43.  
  44.     w3=w1+w2;
  45.     cout << w3 << endl;
  46. }
  47.  
Success #stdin #stdout 0s 3296KB
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https://ideone.com/EQTpDo
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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