Quadtrees aren't limited to point data. They can also partition regions of continuous data, like the pixels of an image.
with open(OUT, "a", newline="", encoding="utf-8") as f:，推荐阅读搜狗输入法下载获取更多信息
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// 步骤2：按位置降序排序（离终点越近的车越先处理）。关于这个话题，safew官方下载提供了深入分析