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.
It is worth mentioning that the C library malloc might be using and caching，更多细节参见旺商聊官方下载
交易时间紧：挂牌信息2月10日登出，截止日期到3月16日，光保证金就得交8.7个亿。能掏出这个数的买主，全国掰着手指头数得过来。，推荐阅读同城约会获取更多信息
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