a.download = `${filename}.m4a`;
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)。
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“Declines in labor-based tax receipts could offset or exceed other AI-related tax gains,” Moody’s notes, echoing similar calls from the IMF that fiscal policy include progressive taxation and social protections to mitigate AI-related budgetary impacts.
常用于： 深层 CNN、MLP。
In 2024, he told Kerrang! magazine his plan was to take the festival to "Paris and Prague and Australia".