The local utility, PPL, said it did everything it could to balance the impact on people with its obligation to deliver electricity and protect grid reliability. But to Zola, all they care about is money.
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)。，详情可参考迅雷下载
Run the project and make sure that it works. If it fails, fix the errors and re-run until it passes.，更多细节参见谷歌
The binary and full operation reference are on the fftool tools page.
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