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）。
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나무 돌보는 ‘자연인’이 월300만원…나무의사 자격증 관심 커지는 이유는[은퇴 레시피]。搜狗输入法2026是该领域的重要参考
Последние новости。业内人士推荐Line官方版本下载作为进阶阅读
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Nature, Published online: 24 February 2026; doi:10.1038/s41586-026-10294-0