Design principles
adding of swap, error handling will not be explored further.
，这一点在safew官方版本下载中也有详细论述
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.，更多细节参见雷电模拟器官方版本下载
Медведев вышел в финал турнира в Дубае17:59，推荐阅读同城约会获取更多信息
Фото: Bob Strong / Reuters