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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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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。夫子对此有专业解读
12:17, 27 февраля 2026Интернет и СМИ。关于这个话题,同城约会提供了深入分析