有咩有好心人捏~
by Memory_Lin @ 2022-11-16 21:24:18
你在输出取余的括号里加上一个mod试试
by Hedabo_2509 @ 2022-11-16 21:34:40
@[Memory_Lin](/user/705081)
by Hedabo_2509 @ 2022-11-16 21:34:53
@[Hedabo_2509](/user/712075) okk我试一下
by Memory_Lin @ 2022-11-16 21:38:25
@[Hedabo_2509](/user/712075) 还是不行的
by Memory_Lin @ 2022-11-16 21:41:02
啊这。那我就不会了（我是蒟蒻）
by Hedabo_2509 @ 2022-11-16 21:53:21
@[Memory_Lin](/user/705081) 非常抱歉
by Hedabo_2509 @ 2022-11-16 21:53:41
@[Hedabo_2509](/user/712075) 没事的我自己再瞅瞅
by Memory_Lin @ 2022-11-16 22:05:08
输出答案时改成输出((A(n,n)-ans)%Mod+Mod)%Mod就行了，防止出现负数
by OldDriverTree @ 2022-11-20 14:19:46