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.
为应对客流高峰，铁路部门在京广、京沪、沪昆、京哈等主要高铁干线单日安排开行夜间高铁列车超 1000 列，并在热门方向增开临时旅客列车，单日最高增开 2314 列。
，详情可参考搜狗输入法2026
if (n <= 1) return n;
Slowpoke became the internet's patron saint of being late. The meme began circulating widely in 2009, when users on 4chan started posting images of the famously sluggish Pokémon in response to people bringing up old news or long-settled debates.