@[huangzirui](/user/35891) 我之前也差不多，容我看一下...
by warzone @ 2020-10-13 15:54:21
真的fAKe
by PrincessQi @ 2020-10-13 15:57:12
@[huangzirui](/user/35891) 应该是每次 NTT 时没将高次项设为 0
by warzone @ 2020-10-13 15:57:27
@[wangrx](/user/104726) 已经取过模了啊。。
by huangzirui @ 2020-10-13 16:04:12
woc
长度为2时候忘记 $\times \text{1ll}$ 了。
wtcl
by huangzirui @ 2020-10-13 16:06:51