The tree starts as a single region covering the whole space. As points arrive, they get dropped into the region that contains them. When a region exceeds its capacity (the maximum number of points it can hold before splitting), the region divides into four children, and the existing points get redistributed.
这位与字节跳动张一鸣、美团王兴同乡的福建龙岩人，在胡润百富榜上早已是百亿身家，却始终保持着神秘色彩。他不接受采访、不参加论坛，极少在公开场合露面，唯有通过一份份上市公司公告，外界才能窥见其庞大的矿业帝国版图。
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