HAOI就这样，随它去吧。
by Smile_Cindy @ 2019-03-28 21:28:57
可是数据范围是$m$不超过$1e5$啊
by asuldb @ 2019-03-31 07:16:41
但是数据范围是n不超过1e7啊
by Freopen @ 2019-07-08 18:48:09
有极限数据啊，我不预处理逆元T了
by shihaojiacaigitcl @ 2022-02-03 02:53:56