思路：倒序单调栈。弹出所有 ≤ 当前身高的元素（这些人都能被看到），count 为弹出数量；若栈非空，还能看到栈顶（第一个更高的人），故 +1。能看到的人数 = count + (栈非空 ? 1 : 0)。
Anthropic is making it easier to switch to its Claude AI from other chatbots with an update that brings Claude's memory feature to users on the free plan, along with a new prompt and dedicated tool for importing data from other chatbots. These upgrades could allow users who have been using rivals like OpenAI's ChatGPT or Google's Gemini to quickly copy the data their preferred AI has collected on them and bring it over to Anthropic's chatbot. That way, they don't have to "start over" teaching Claude the context and history their previous chatbot already knows.，推荐阅读体育直播获取更多信息
All denial-of-service issues in the core parser fixed,。业内人士推荐搜狗输入法下载作为进阶阅读
take a look at Typst if you’re
Фото: Вячеслав Прокофьев / РИА Новости