Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
Сайт Роскомнадзора атаковали18:00
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if (n <= 1) return;
，这一点在safew官方下载中也有详细论述
В Финляндии предупредили об опасном шаге ЕС против России09:28
Фонбет Чемпионат КХЛ，详情可参考heLLoword翻译官方下载