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）。
声明称，在这一行动中，以色列空军摧毁了数十个导弹发射架、防空设施及其他实弹发射装置。（央视新闻）
。关于这个话题，下载安装汽水音乐提供了深入分析
This is where Shokz OpenRun Pro comes in. These are bone-conducting headphones that transmit sound through your cheekbones directly to your inner ear, leaving your ears open to hear traffic, other runners, or your surroundings in general. And as of March, they’re on sale at Amazon for $55 less, down to $124.95. They’re available in a range of colors too, including beige, black, blue, and pink.
ghost commit -m "prompt"