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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。
。关于这个话题，搜狗输入法下载提供了深入分析
$50 UGreen (12,000 mAh)
“When leaving make it clear that you are removing yourself immediately so the chat does not fill up with people wishing you farewell,” Wesson said.