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）。
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Greensands Future, which is backed by a consortium led by British multinational chemicals company Ineos, will become the EU's first large-scale offshore CO2 storage site, when commercial operations get underway in the next few months.
Bank branches, being branches, do not exist in isolation. The bank also has a
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“农村工作的重点是把脱贫转向乡村全面振兴，脱贫的兜底必须是固若金汤的，绝对不能出现规模性返贫致贫。关键要把这些事做实，持续下去”“一起奔向共同富裕的美好明天”。习近平总书记殷殷嘱托。。业内人士推荐Line官方版本下载作为进阶阅读
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