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)。
He said it was hoped the scheme could be expanded into island-wide services, with the pilot offering health and care services "a blueprint" to roll it out in other areas.
，详情可参考51吃瓜
The Test PLA evaluates all 148 product terms against this input and produces an 18-bit output:
The Netherlands has the highest share of part‑time workers in the OECD, with almost half of employees working less than full time.