// 从左找第一个大于pivot的
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间）
，这一点在WPS下载最新地址中也有详细论述
Think about the user experience difference. In traditional search, someone sees your site listed among ten results and must decide whether to click based on a title and two-line description. In AI search, someone reads an answer that includes information from your content, sees your site cited as the source, and arrives at your page already understanding its value and relevance. The qualification happens before the click, resulting in higher-quality traffic with better engagement metrics.。关于这个话题，safew官方版本下载提供了深入分析
Hockey players recount Rhode Island ice rink shooting