* @param {number[]} nums2 - 基准数组（nums1的元素都来自这里）
‘The professional game must evolve if it is to thrive’
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“What I saw in the video didn’t look like an attack,” Vomvolakis said. “Did it go a little past, you know, jokes and fun? Was it possibly a little disrespectful to the police? Yes.”
return _call.call(origSet, this, v);
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.