取模吗
by 小粉兔 @ 2018-07-28 22:54:09
@[da32s1da](/space/show?uid=50092) 暂时不收
by yjjr @ 2018-07-28 23:16:48
@[小粉兔](/space/show?uid=10703) 对$10^9+7$取模
by da32s1da @ 2018-07-29 06:46:57
@[yjjr](/space/show?uid=5088) 好吧=m=
by da32s1da @ 2018-07-29 06:47:12