@[a_bottle](/user/133226)
40分代码，您主函数里写了```dfs1(1,1);```，改成```dfs1(1,0);```实测[可过](https://www.luogu.com.cn/record/28207511)（话说这样不会算作弊吧 嘤嘤嘤）
by He_Ren @ 2019-12-07 19:16:58
@[He_Ren](/user/73687) 哦谢谢
by a_bottle @ 2019-12-07 19:20:24