Employs a data-driven, goal-based strategy,
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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.
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《甄嬛傳》馬拉松：為何成為台灣年輕人過年的「文化習俗」？。Line官方版本下载对此有专业解读
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