就这？
by Caicz @ 2020-09-10 11:31:56
你先打个正解试试？
by Caicz @ 2020-09-10 11:32:22
是错题吧
by zzqDeco @ 2020-09-10 11:32:46
前两个讨论不都说了这题有问题吗（
by GoPoux4 @ 2020-09-10 11:35:46
~~建议直接删题~~
by Caicz @ 2020-09-10 11:35:53
@[GoPoux4](/user/224236) 这题我只会 $n^3$ 做法/dk
by 寒冰大大 @ 2020-09-10 11:36:37
狂野小子mmm
by lemir3 @ 2020-09-10 11:36:38
确实所有题解被撤下来了。。
by 素质玩家孙1超 @ 2020-09-10 12:11:27
删题了
by loceaner @ 2020-09-10 14:06:25
hh
by dingpeng1234 @ 2022-08-01 08:59:40