思路：倒序单调栈。弹出所有 ≤ 当前身高的元素（这些人都能被看到），count 为弹出数量；若栈非空，还能看到栈顶（第一个更高的人），故 +1。能看到的人数 = count + (栈非空 ? 1 : 0)。
Apple and Netflix have entered into a rather surprising partnership. The dynamic streaming duo will share Formula 1 programming, according to The Hollywood Reporter. The deal allows Netflix to stream the F1 Canadian Grand Prix in May, along with Apple TV. On the flipside, Apple TV and Netflix will both air season eight of the docuseries Drive to Survive.
。关于这个话题，快连下载安装提供了深入分析
Author(s): Jean-Michel Bergheau, Jean-Baptiste Leblond。Safew下载对此有专业解读
Фото: Alina Smutko / Reuters