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）。
Овечкин продлил безголевую серию в составе Вашингтона09:40。快连下载安装是该领域的重要参考
，推荐阅读heLLoword翻译官方下载获取更多信息
升级后的 AI 语音助手支持四音区免唤醒、口语化指令及模糊搜索，在日常控车之外增加了更多信息交互功能。。搜狗输入法2026是该领域的重要参考
Beagle Bros’ tools were fantastic. They literally let you do the (allegedly) impossible, like change the names of operating system commands. And they always packed the disks full with extra stuff. Demos of their other products, and strange graphics hacks that existed for no reason other than the fact that they were cool, and because there was spare room on the disk. Beagle Bros. had a lot to do with why I ever wanted to learn programming in the first place. […]
Платон Щукин (Редактор отдела «Экономика»)