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）。
美国总统特朗普周五表示，已指示美国政府机构停止使用Anthropic的技术。随后，五角大楼宣布将Anthropic列为供应链风险企业。，更多细节参见搜狗输入法2026
Стало известно о поставках украинской нефти по трубопроводу «Дружба»Reuters: Украина использовала трубопровод «Дружба» для прокачки своей нефти，更多细节参见爱思助手下载最新版本
Launch had been planned for early February, but it was delayed to repair a hydrogen leak and, more recently, to give engineers time to fix a helium pressurization problem in the rocket's upper stage. Launch is now on hold until at least April 1.，推荐阅读同城约会获取更多信息
Avoiding specific road types or toll roads.