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)。
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The acquisition will complement Google's past work in robotics like Boston Dynamics, which it sold off in 2017. The Google DeepMind team has also developed Gemini-based models for robotics in the past.
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Bolivian banknotes were seen scattered at the crash site
20:14, 27 февраля 2026Путешествия。业内人士推荐WPS官方版本下载作为进阶阅读