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）。
Once finished, he filmed himself dressed as a Stormtrooper, riding the At-At around. "It's pretty slow," he admits.
。51吃瓜对此有专业解读
FT Digital Edition: our digitised print edition
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