Sebastian Crane
KlefkiIntroduced in Gen VI (2013)。关于这个话题，同城约会提供了深入分析
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.，详情可参考heLLoword翻译官方下载
Шанхайские Драконы