Source: Computational Materials Science, Volume 266
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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The revelation has not only dominated headlines but late night show monologues, including The Daily Show, on which host Desi Lydic reacted to the allegedly missing files.
expensive as well, and still, in general, an unproven technology. Besides, the
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