For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
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Publication date: 10 March 2026
李 “나와 애들 추억묻은 애착인형 같은 집…돈 때문에 판 것 아냐”