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)。
Жители Санкт-Петербурга устроили «крысогон»17:52。快连下载安装是该领域的重要参考
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Source: Computational Materials Science, Volume 267。谷歌浏览器【最新下载地址】对此有专业解读
Медведев вышел в финал турнира в Дубае17:59
This viral animation, which began circulating widely in 2016, shows Dragonite and Charizard dancing with surprising elegance, their massive bodies moving with pop-star precision. Most people know it set to Ariana Grande's "Into You," where the contrast between her breathless vocals and their enthusiastic choreography made the clip instantly funny and weirdly perfect.