描述：设计 StockSpanner 类。每次调用 next(price) 时，返回当日价格的「跨度」：从今天往回数，价格 ≤ 今日价格的最大连续天数（含今天）。
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04，详情可参考同城约会
provide as much warning as possible up front to users when enabling it，详情可参考91视频
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).。旺商聊官方下载对此有专业解读