铁路部门回应「半夜候补成功 1700 元车票作废」
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
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After a consultation with her GP, she said she initially thought using Mounjaro sounded "great", but weeks later she was diagnosed with gallstones - hard deposits made of cholesterol and bile that form in the gallbladder.
思路：找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的元素，栈顶即为折扣。最终价格 = cur - 折扣（有则）或 cur（无则）。
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