交互式开发：支持多 Cell 类型与智能提示
// 步骤2：按位置降序排序（离终点越近的车越先处理）
，更多细节参见旺商聊官方下载
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.
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(Full disclaimer: I am by no means an expert in Old English, nor any kind of linguist. I was able to read fairly comfortably to 1000 AD and get the gist of it, though I did have to look up a few words to get the full meaning).