标题和底下是一个 n 吗
by JRzyh @ 2021-02-26 21:06:47
取模还是怎么/yiw
by w23c3c3 @ 2021-02-26 21:06:47
@[w23c3c3](/user/109942) 对998244353取模
by zzr8178541919 @ 2021-02-26 21:08:07
搞个EGF试试?
by 血色黄昏 @ 2021-02-26 21:08:56
@[Zhaoyuhang2008](/user/242524) 底下是 $f_n$ 的式子，然后要求它的1到n项
by zzr8178541919 @ 2021-02-26 21:11:10
分块+多点求值似乎能$O(nlog^2)$
by w23c3c3 @ 2021-02-26 21:11:20
@[血色黄昏](/user/220426) 能具体说说吗？
by zzr8178541919 @ 2021-02-26 21:11:56
@[w23c3c3](/user/109942) 能具体说说做法吗？
by zzr8178541919 @ 2021-02-26 21:13:19
@[zzr8178541919](/user/114514) 还在算qwq，稍等
~~（虽然不一定能搞出来w）~~
by 血色黄昏 @ 2021-02-26 21:13:43
@[zzr8178541919](/user/114514) 要保留多少精度啊
by 血色黄昏 @ 2021-02-26 21:20:16