Юлия Мискевич (Ночной линейный редактор)
The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.
，这一点在服务器推荐中也有详细论述
take a look at how they compare. I'll analyze each tool to see how they differ
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