栈（stack）是先进后出的数据结构。单调栈在入栈时通过一定规则保持栈内元素有序（单调递增或单调递减），从而把「找左侧/右侧第一个更大/更小元素」从 O(n²) 降到 O(n)。
代码要点：倒序遍历，先算右侧再推左侧；栈内维护「右侧候选更大值」，单调递增（栈顶最小）。
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The lawsuit also pointed out that there’s a huge market for Counter-Strike skins and referenced a Bloomberg article from 2025, which reported that the market for those skins had already surpassed $4.3 billion. As an example of in-game items sold for real money, it cited the sale of a Counter-Strike 2 AK-47 skin in 2024 for $1 million. The Attorney General’s Office wants the court to stop Valve from violating New York laws, to give up money it allegedly earned from illegal activities and to pay a fine three times what it allegedly earned from illegal business practices.，推荐阅读safew官方下载获取更多信息
China urges citizens in Iran to evacuate
"So we are seeing boards find different ways to expand the roles and responsibilities of high potential leaders, to see how they accelerate and grow in a market that is creating a lot of change and ambiguity every day."