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.
Publication date: 10 March 2026
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第四十三条 下列纳税人可以适用增值税法第三十条规定的以一个季度为一个计税期间：