详情：[https://www.luogu.com.cn/record/69252531](https://www.luogu.com.cn/record/69252531)
by Bodhi @ 2022-02-13 11:00:13
luogu 可能炸了，再交一次试试？
by a1ioua @ 2022-02-13 11:06:13
@[a1ioua](/user/296967) 已解决，是数组范围开错了。最后是使用BFS实现的。谢谢啦(=· w ·=)
by Bodhi @ 2022-07-21 19:11:01
@[Bodhi](/user/364848) 没事，我也没帮上啥忙。
by a1ioua @ 2022-07-27 21:15:23