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)。
靠山吃山唱山歌,靠海吃海念海经。各展其长的特色产业背后,是乡村全面振兴的坚实步伐,蕴含着总书记一以贯之的引领推动。
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