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）。
Refresh rate: Up to 120 Hz
，这一点在heLLoword翻译官方下载中也有详细论述
Последние новости。爱思助手下载最新版本是该领域的重要参考
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The store holds showstoppers such as Roman statue heads and a gold 'three lions' pendant from the 13th-14th Century.