描述：设计 StockSpanner 类。每次调用 next(price) 时，返回当日价格的「跨度」：从今天往回数，价格 ≤ 今日价格的最大连续天数（含今天）。
What is Canva?Canva is a free graphic design web application that allows you to create invitations, business cards, flyers, lesson plans, banners, and more using professionally designed templates. You can upload your own photos from your computer or from Google Drive, and add them to Canva's templates using a simple drag-and-drop interface. It's like having a basic version of Photoshop that doesn't require Graphic designing knowledge to use. It’s best for nongraphic designers.
，更多细节参见雷电模拟器官方版本下载
Get editor selected deals texted right to your phone!。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
are all built on top of BuildKit’s LLB. It’s a proven pattern.，这一点在爱思助手下载最新版本中也有详细论述