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.
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
，这一点在同城约会中也有详细论述
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В Финляндии предупредили об опасном шаге ЕС против России09:28。快连下载安装对此有专业解读
Цены на нефть взлетели до максимума за полгода17:55