Orz
by AThousandSuns @ 2019-07-30 21:09:39
%%%@[_皎月半洒花](/space/show?uid=28313) tql！
by AThousandSuns @ 2019-07-30 21:09:45
%%%Orz
by wkywkywky @ 2019-07-30 21:09:59
欸话说这个的线性递推可以 $O(k^2\log m)$ 艹吗？不想写 FFT 了……
by AThousandSuns @ 2019-07-30 21:11:00
%%% @[_皎月半洒花](/space/show?uid=28313) tql！
by lightup37 @ 2019-07-30 21:18:23
%%% @[_皎月半洒花](/space/show?uid=28313) tql！
by ueettttuj @ 2019-07-30 21:24:05
%%% @[_皎月半洒花](/space/show?uid=28313) tql！
by WYXkk @ 2019-07-30 21:28:03
%%% @[_皎月半洒花](/space/show?uid=28313) tql！
by dlydly @ 2019-07-30 21:28:55
%%% @[_皎月半洒花](/space/show?uid=28313) tql！
by 巨佬lmy @ 2019-07-30 21:33:53
？？？？？
by 皎月半洒花 @ 2019-07-30 22:32:28