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）。
Activision Blizzard UK Ltd said the ad had been reviewed by Clearcast, which provides pre-clearance of TV advertising, and had been approved with an "ex-kids" timing restriction.
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
Pikachu and Poké Ball