// 题目要求找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的，栈顶即为折扣
Why did the committee come to that conclusion?
。搜狗输入法下载是该领域的重要参考
Что думаешь? Оцени!
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安装与配置（uv/pip、.env 必填项、Telegram User ID）