@[wssb1919810](/user/828318) 这题不用高精度。
by Mr_Min @ 2023-01-10 13:07:55
@[wssb1919810](/user/828318) 这题要用杨辉三角和前缀和
by Mr_Min @ 2023-01-10 13:10:33
好的谢谢
by wssb1919810 @ 2023-01-10 13:17:05
这人ikun+homo，我怕你顶不住（bushi
by scp020 @ 2023-01-10 13:31:55