巧了,我也是
by Skies @ 2020-10-23 14:49:09
请问大佬发现问题了吗?麻烦告诉一下蒟蒻
by Skies @ 2020-10-23 14:49:47
在模意义下答案可能为负数,输出答案时需要+mod后在%mod;改了一下你的代码,过了
by keep_ @ 2020-11-14 21:42:51
@[Skies](/user/125212) 答案+mod后%mod
by keep_ @ 2020-11-14 21:43:15
@[keep_](/user/250013) 蟹蟹
by Skies @ 2020-11-15 15:38:35