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  1. #include <iostream>
  2. #include <algorithm>
  3.  
  4. using namespace std;
  5.  
  6. typedef struct _Position {
  7. 	int x;
  8. 	int y;
  9. }Position;
  10.  
  11. bool cmp(const Position& p1, const Position& p2)
  12. {
  13. 	if (p1.y == p2.y)			//좌표 y가 같다면
  14. 		return p1.x < p2.x;		//좌표 x를 기준으로 올림차순
  15. 	else
  16. 		return p1.y < p2.y;		//좌표 y를 기준으로 올림차순
  17. }
  18.  
  19. int main(void)
  20. {
  21. 	ios::sync_with_stdio(false);
  22. 	cin.tie(NULL);
  23.  
  24. 	int n;
  25. 	cin >> n;
  26. 	Position*  arr = new Position[n];
  27.  
  28. 	for (int i = 0; i < n; i++)
  29. 		cin >> arr[i].x >> arr[i].y;
  30.  
  31. 	sort(arr, arr + n, cmp);
  32.  
  33. 	for (int i = 0; i < n; i++)
  34. 		cout << arr[i].x << " " << arr[i].y << "\n";
  35.  
  36. 	delete[] arr;
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 5044KB
comments (?)
stdin
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5
0 4
1 2
1 -1
2 2
3 3
stdout
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1 -1
1 2
2 2
3 3
0 4
https://ideone.com/RhRENk
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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