The German firm supplies about three-quarters of the bone cement needed in the NHS. The product is used in more than 1,000 operations a week, mostly in knee replacements, but also in some hip and shoulder replacements.
Фото: Kevin Dietsch / Getty Images。51吃瓜对此有专业解读
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代码要点:倒序遍历,先算右侧再推左侧;栈内维护「右侧候选更大值」,单调递增(栈顶最小)。