先理解原理：看动图 + 手动模拟小数组
Last October the investment bank Goldman Sachs put out a report, which was widely cited, suggesting the US could be facing a new period of "jobless growth" thanks to the arrival of new technology and artificial intelligence (AI) in particular, allowing companies to do more with fewer workers.。关于这个话题，WPS下载最新地址提供了深入分析
2.2.3 Mermaid 类图（classDiagram），这一点在一键获取谷歌浏览器下载中也有详细论述
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)。。业内人士推荐下载安装汽水音乐作为进阶阅读