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  1. #include <iostream>
  2. #include <cassert>
  3. #include <cstring>
  4. #include <cstdlib>
  5. #include <algorithm>
  6.  
  7.  
  8. typedef struct complex
  9. {
  10. 	complex(double re, double im)
  11. 		: re(re), im(im) {}
  12. 	void swap(complex & other);
  13. 	complex & operator=(complex const& other);
  14. 	void print();
  15. private:
  16. 	double re;
  17. 	double im;
  18. } complex;
  19.  
  20. void complex::swap(complex & other)
  21. {
  22. 	using std::swap;
  23. 	swap(re, other.re);
  24. 	swap(im, other.im);
  25. }
  26.  
  27. complex & complex::operator=(complex const& other)
  28. {
  29. 	if (this != &other)
  30. 		complex(other).swap(*this);
  31. 	return *this;
  32. }
  33.  
  34. void complex::print()
  35. {
  36. 	std::cout << re << ", " << im << std::endl;
  37. }
  38.  
  39. int main()
  40. {
  41. 	complex x(0, 1);
  42. 	complex y(0, -1);
  43.  
  44. 	x.print();
  45. 	y.print();
  46.  
  47. 	x = y;
  48. 	x.print();
  49. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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Standard input is empty
stdout
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0, 1
0, -1
0, -1
https://ideone.com/5CJXAs
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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