'Organs are needed here, not in heaven'
镜头随意切，角色模样服饰都不变
。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
* - this.stack：单调递减栈，存储「价格对应的索引」，栈顶→栈底索引对应的价格单调递减
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.