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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4.  
  5. struct Point
  6. {
  7. 	Point(double x, double y)
  8. 	: x(x)
  9. 	, y(y)
  10. 	{
  11.  
  12. 	}
  13.  
  14. 	friend bool operator == (const Point& lhs, const Point& rhs);
  15.  
  16. 	double x;
  17. 	double y;
  18. };
  19.  
  20. bool operator == (const Point& lhs, const Point& rhs)
  21. {
  22. 	return lhs.x == rhs.x && lhs.y == rhs.y;
  23. }
  24.  
  25.  
  26. int main() 
  27. {
  28. 	std::vector<Point> points = { Point(42.0, 50.0), Point(1.0, 2.0), Point(42.0, 50.0) };
  29. 	std::sort(points.begin(), points.end(), [](const Point& lhs, const Point& rhs)
  30. 	{
  31. 		return lhs.x < rhs.x;
  32. 	});
  33.  
  34. 	points.erase(std::unique(points.begin(), points.end()), points.end());
  35.  
  36. 	for (const auto& p : points)
  37. 	{
  38. 		std::cout << p.x << ", " << p.y << std::endl;
  39. 	}
  40. }
Success #stdin #stdout 0s 3460KB
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1, 2
42, 50
https://ideone.com/v47Whq
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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