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，这一点在服务器推荐中也有详细论述
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）。
Visitors to the Victoria & Albert Museum (V&A) will be able to "step back in time" as a reconstruction of the original YouTube watchpage goes on display.
My favorite thing about the Arctis Nova 3 is their fit: They are the most comfortable of any gaming headset I've tested. They're super lightweight, which makes them great for long gaming sessions and larger heads like mine, and the ear cups are a light, squishy mesh that's breathable without sacrificing too much in sound isolation. Despite the super lightweight build, the battery life doesn't disappoint, with these cans lasting around 30 hours on a single charge.