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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“在前期试点成效基础上，我们将重点推进健全协同审核长效机制，完善标准体系与结果互认机制，扩大协同审核覆盖面。”廊坊市生态环境局党组书记、局长韩海军说。
"What an interesting Black History month this has turned out to be," he wrote. Black History month takes place in February in the US.
How to watch the 2026 SAG Awards at homeYou won't be able to catch the awards ceremony on cable. Instead, you'll need to be a Netflix subscriber to watch the Actor Awards. And since Netflix doesn't offer free trials (and since the platform cracked down on password sharing), you'll need to sign up for your own account before the show. Fortunately, Netflix has a few membership tiers and all three options will grant you access to the SAG Actor Awards broadcast.