FT Magazines, including HTSI
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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Escaping the guest kernel requires finding a vulnerability in the Virtual Machine Monitor’s device emulation or the CPU’s virtualization features, which are rare and highly prized.。91视频对此有专业解读
In addition, the Board of Directors holds a monthly video conference which lasts one hour and is open to the general public.