暴力做法是对每个位置向右扫描找第一个更大值，O(n²)。可抽象为：元素像一排人，身高为数值。当前人「下一个更大」= 他右侧第一个没被挡住的人（比当前矮的都被挡住）。单调栈用 O(n) 维护「右侧候选更大值」：倒序遍历，弹掉 ≤ 当前的，栈顶即答案，再入栈当前值。
《桃源村日志》制作组在杭州的办公室。夫子是该领域的重要参考
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Greg Ford, who lives in Buriton, East Hampshire, already separates his food waste for composting.
The supermarket said it would stop sourcing fresh, chilled and frozen mackerel by 29 April, as well as tinned mackerel once their current stocks have been sold.，详情可参考一键获取谷歌浏览器下载