Made with wood, springs and rubber bands, Rich Walker remembers fondly the first robotic hand built by Shadow Robot in the late 1990s.
Фото: New Africa / Shutterstock / Fotodom
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Paramount initially proposed to pay $30 per share, in an all-cash offer, which it said gave shareholders more certainty than Netflix's plan. However, it then increased its offer to $31 per share.
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）。