题面是否有漏洞?

P1613 跑路

希丰展?使[MD&$\LaTeX$](https://www.luogu.com.cn/blog/luogu/how-to-use-markdown)。
by _6872_ @ 2022-04-26 10:17:19


有向图。
by w23c3c3 @ 2022-04-26 10:32:53


@[w23c3c3](/user/109942) 啊,眼瞎看漏了,抱歉问了这么白痴的问题
by 233hahaha @ 2022-04-29 15:47:01


还是想问一下,为什么是有向图就可能出现ans>2的情况呢?
by Diavolo @ 2022-07-31 13:14:53


@[Diavolo](/user/593595) 给你一条链能卡到5(2^5 -1)
by wangyiyu @ 2023-01-06 19:27:49


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