输入：head = [2,1,5]
Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.。谷歌浏览器【最新下载地址】对此有专业解读
，推荐阅读下载安装 谷歌浏览器 开启极速安全的 上网之旅。获取更多信息
This is a valuable tool when creating new blog posts because it generates catchy headlines for your blog post to catch a reader’s attention.，更多细节参见同城约会
Что думаешь? Оцени!