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)。
https://feedx.site
。关于这个话题,safew官方下载提供了深入分析
"The best training I ever had for being a commander was being a parent - because you have to learn how to say no to people."
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