@[YellowEgg](/user/228113) 你没判是否联通
by IntrepidStrayer @ 2020-04-02 21:10:54
错的那个点答案错误，并非不连通
by YellowEgg @ 2020-04-02 21:12:45
考古，我也是prim第四个点错，有人回答吗QAQ
记录：https://www.luogu.com.cn/record/37281386
by xkcdjerry @ 2020-08-19 14:01:16
@[YellowEgg](/user/228113) 您是怎么解决的QAQ
by xkcdjerry @ 2020-08-19 14:02:34
@[xkcdjerry](/user/298051) 您要考虑重边的情况
by YellowEgg @ 2020-08-19 14:48:07
@[YellowEgg](/user/228113) 感谢提示
by lyu201909250425 @ 2020-12-31 18:48:23