思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。
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。搜狗输入法下载对此有专业解读
Now, Samsung has combined its AI photo and video studio into the Creative Studio. What's creating the bigger buzz is the inclusion of a new Privacy Display. The new feature means that you can only view the screen head-on, meaning passersby can't catch a glimpse of your texts or any other very important business you're up to.
/tmp → /sysroot/tmp