Фото: Wirestock / Freepik
NHS joint ops disrupted amid bone cement supply problems
。业内人士推荐搜狗输入法2026作为进阶阅读
Find new audiences you may not have known were interested in your topic.。搜狗输入法下载是该领域的重要参考
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）。
unsigned short unused;