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)。
Мерц резко сменил риторику во время встречи в Китае09:25
当并购更多基于资本扩张逻辑而非产业协同逻辑时，退出往往取决于宏观环境，而不是企业自身经营能力。。Line官方版本下载是该领域的重要参考
Фото: Евгений Биятов / РИА Новости。Line官方版本下载是该领域的重要参考
// Pipe a fast source through the transform to a slow sink，更多细节参见51吃瓜
Across history, humans have always been drawn to the idea that love isn't random. In ancient Greece, Plato imagined that we were once whole beings with four arms, four legs and two faces, so radiant that Zeus split us in two; ever since, each half has roamed the earth searching for its missing other, a myth that gives the modern soulmate its poetic pedigree and the promise that somewhere, someone will finally make us feel complete.