哦
by 青衫白叙 @ 2017-09-05 15:32:31
这题不用树链剖分还能咋做……
by 封癫 @ 2017-09-05 18:09:45
@[封癫](/space/show?uid=25815) toptree
by zcysky @ 2017-09-05 18:41:35
强啊
by 封癫 @ 2017-09-05 18:42:17
@[封癫](/space/show?uid=25815) LCT
by 青衫白叙 @ 2017-09-08 12:07:48
@[封癫](/space/show?uid=25815) 不过巨慢。。。但还是过了。。
by 青衫白叙 @ 2017-09-08 12:08:25
可能看评测机。。。
https://www.luogu.org/record/show?rid=3161753
https://www.luogu.org/record/show?rid=3246023
by 青衫白叙 @ 2017-09-08 12:14:31
@[青衫白叙](/space/show?uid=48991) ……我才反应过来你的名字……原来这么巧的吗……
by 封癫 @ 2017-09-08 14:04:40
# @[周宇恒](/space/show?uid=21892) %%%%%%%%%%%%%%%%%%%
by Cekavis @ 2017-09-15 22:29:19
** @[周宇恒](/space/show?uid=21892) %%%%%%%%%%%%%%%%%%% **
by joyemang33 @ 2017-09-16 19:52:04