"We urge hospitals to communicate quickly with those affected to avoid additional worry and uncertainty.
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。一键获取谷歌浏览器下载是该领域的重要参考
Carnyces fascinated the Romans, who frequently depicted them as war trophies.
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）。