题目有误?

P2217 [HAOI2007] 分割矩阵

qpzc ```cpp if(error()==false)call(387009); if(error()==true)call(387009); //387009 is wangbinfeng's id; ```
by wangbinfeng @ 2021-12-12 20:00:27


@[小粉兔](/user/10703)
by zebra_king @ 2022-10-27 19:59:40


|