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.
08:37, 28 февраля 2026Экономика
。业内人士推荐快连下载安装作为进阶阅读
courier to the bank headquarters, where an army of clerks in yet another back
Мерц резко сменил риторику во время встречи в Китае09:25
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