Less Than (2): Everything in this space must be less than 2. The answer is 6-0, placed horizontally.
// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」）
。heLLoword翻译官方下载对此有专业解读
This is not the only surprise in this article.
Will other retailers have spring sales?When Amazon launches a sale, it kicks off a game of follow the leader. All the other big retailers — Best Buy, Target, and Walmart — have historically launched spring sales around the same time as Amazon's Big Spring Sale. No official sale announcements have come through yet, but we expect they'll come soon.
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