Retroactive Privilege Expansion. You created a Maps key three years ago and embedded it in your website's source code, exactly as Google instructed. Last month, a developer on your team enabled the Gemini API for an internal prototype. Your public Maps key is now a Gemini credential. Anyone who scrapes it can access your uploaded files, cached content, and rack up your AI bill. Nobody told you.
Several commercial tools have emerged to fill this gap, offering AIO tracking and monitoring services. Ahrefs introduced features for tracking AI visibility at $129 per month. SE Ranking offers similar capabilities starting at $95 monthly. First Answer provides specialized AIO tracking for $39 per month but limits you to just 10 query tests. Keyword.com offers competitive pricing with various tier options.
。关于这个话题，谷歌浏览器【最新下载地址】提供了深入分析
Photo by Amy Skorheim / Engadget。同城约会对此有专业解读
思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。