63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
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.
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Жители Санкт-Петербурга устроили «крысогон»17:52，更多细节参见91视频
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