Highly Divergent Profiles: For routing configurations that are not pre-calculated as common scenarios and whose costs vary too much from default configurations, the original A* algorithm might still be faster (and is often used as an automatic fallback).
-config: Config
。同城约会对此有专业解读
* @param n 数组长度，推荐阅读safew官方版本下载获取更多信息
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