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Prime Video hosts more exciting NBA action today, with the Minnesota Timberwolves visiting the LA Clippers for a Western Conference showdown. The Timberwolves have a stronger regular season record, going 21-17 in conference games versus the Clippers' 17-17.
The team on the ground held its breath until the parachutes deployed and the crew was safely down.，这一点在91视频中也有详细论述
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)。