ps:第十组数据并不保证询问是联通的（
by gllonkxc @ 2019-05-17 17:11:16
@[Zinc2018](/space/show?uid=45395)
你的cut太草率, 建议参照题解改一下cut
by CeLaMbDa @ 2019-05-17 17:37:08
cut需要判的啊
by NaCly_Fish @ 2019-05-17 17:58:10
orz
by FlyInTheSky @ 2019-05-17 18:13:57
@[CeLaMbDa](/space/show?uid=109226)
thx
by gllonkxc @ 2019-05-18 12:30:40