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.
第四十八条 纳税人适用退（免）税、免征增值税的出口业务，应当按照规定期限申报；逾期未申报的，按照视同向境内销售的规定缴纳增值税。
。关于这个话题，heLLoword翻译官方下载提供了深入分析
Why hide such a handsome piece of handiwork?
Екатерина Грищенко (старший редактор отдела «Бывший СССР»)
# What you gain