The "Parking Lot" Insight:
正是在这样一轮轮尝试、挫折与代价之后，游艇产业逐渐从“富豪玩物”与“资本故事”中剥离出来，重新回到制造与产业逻辑本身。
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In a case filed Feb. 13, the electric vehicle giant claims that the department "wrongfully and baselessly” labeled Tesla a “false advertiser,” and argues that the department did not effectively prove that customers had been led to believe the vehicles could be operated without human oversight.
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)。