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）。
Lady Araminta Gun (Katie Leung) with her daughters Rosamund (Michelle Mao) and Posy (Isabella Wei) in "Bridgerton."
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"Our family is devastated by the sudden passing of our beloved husband, father and grandfather," his family confirmed in a statement.
Apple's mobile devices are secure enough for NATO. Following extensive testing by the German government, the iPhone and iPad are now considered secure enough for the NATO-restricted classified level.