The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
Oh, you mean the board of the PSF?
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。业内人士推荐WPS下载最新地址作为进阶阅读
Квартиру в Петербурге затопило кипятком после обрушения потолка20:57,推荐阅读同城约会获取更多信息
Фото: Majid Asgaripour / WANA (West Asia News Agency) via Reuters