Фото: Marton Monus / Reuters
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.,更多细节参见有道翻译官网
Подсчитаны траты рядового американца на войну с Ираном08:45。关于这个话题,手游提供了深入分析
Starting my Second Brain,更多细节参见超级权重
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