This ensures that for our original extract code, if the number of
▲提示词：This high-resolution bird’s-eye view photograph was taken with a LOMO Ic-a. The ground is covered with countless black-and-white billboard advertisements of beautiful fashion models, and standing on top of the advertisements is an incredibly beautiful chinese film actress wearing a long black coat.
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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)。
"Trends that would have unfolded in a season are now taking up to 48 hours and I would say [creatives] have made fashion faster, more democratic and far more conversational."