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）。
This week, Anthropic softened its safety policy — often viewed as one of the strongest in Silicon Valley — citing competitors' reluctance to do the same and the federal government’s disinterest in prioritizing security.
Wöchentlich die digitale Ausgabe des SPIEGEL inkl. E-Paper (PDF), Digital-Archiv und S+-Newsletter。im钱包官方下载对此有专业解读
eufy Robot Vacuum E28
，详情可参考Line官方版本下载
Guernsey Menopause Discussion Group (Facebook)
Последние новости，更多细节参见旺商聊官方下载