Recent changes to this guideFebruary 2025: The Dreame X60 Max Ultra Complete takes over as the best robot vacuum for pet hair on carpet, replacing the Dreame Aqua10 Ultra Roller. The Roborock Qrevo Curv 2 Flow takes over as the best robot vacuum for pet hair on hardwood, replacing the Roborock Saros 10R.
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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if (chunks === null) {。服务器推荐是该领域的重要参考
But you might think, the returned slice can’t be allocated on the