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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4.  
  5. struct Point
  6. {
  7. 	float x, y;
  8. 	Point(float x, float y) : x(x), y(y) {}
  9. };
  10.  
  11. int main()
  12. {
  13. 	std::vector<Point> points = {
  14. 		Point(-1.0f, 1.0f),
  15. 		Point(1.0f, 1.0f),
  16. 		Point(-2.0f, 1.0f),
  17. 		Point(2.0f, 1.0f),
  18. 		Point(4.0f, 2.0f),
  19. 		Point(-4.0f, 2.0f),
  20. 		Point(-8.0f, 2.0f),
  21. 		Point(8.0f, 2.0f),
  22. 		Point(0.0f, 3.0f)
  23. 	};
  24.  
  25. 	std::sort(
  26. 		points.begin(), points.end(),
  27. 		[](const Point &lhs, const Point &rhs) {
  28. 			if (lhs.x < rhs.x)
  29. 				return true;
  30. 			return false;
  31. 		}
  32. 	);
  33. 	std::stable_sort(
  34. 		points.begin(), points.end(),
  35. 		[](const Point &lhs, const Point &rhs) -> bool {
  36. 			if (lhs.y < rhs.y)
  37. 				return true;
  38. 			return false;
  39. 		}
  40. 	);
  41.  
  42. 	for (auto &p : points) {
  43. 		std::cout << "(" << p.x << ", " << p.y << "), ";
  44. 	}
  45. }
Success #stdin #stdout 0s 15248KB
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Standard input is empty
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(-2, 1), (-1, 1), (1, 1), (2, 1), (-8, 2), (-4, 2), (4, 2), (8, 2), (0, 3),
https://ideone.com/D3uCAU
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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