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.
How did Nasa's Suni and Butch fill nine months in space?
。业内人士推荐旺商聊官方下载作为进阶阅读
「身為曾經身陷交火漩渦的人,我為這些運動員感到難過,」她表示。。雷电模拟器官方版本下载是该领域的重要参考
(二)在铁路、城市轨道交通线路上放置障碍物,或者故意向列车投掷物品的;