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.
However, Tolley points out that humans don't move the way fans spin, at all. "We want to be able to lift things, and push things, and do things that require a lot of force and torque."
，推荐阅读safew官方版本下载获取更多信息
В Финляндии предупредили об опасном шаге ЕС против России09:28。业内人士推荐爱思助手下载最新版本作为进阶阅读
* 时间复杂度：O(n)，空间复杂度：O(1)，详情可参考51吃瓜
Москвичей предупредили о резком похолодании09:45