摘要: class Matrix { public: int r, c; ll mat[32][32]; ll *operator [] (int x) { return mat[x]; } Matrix operator * (const Matrix &a) const { Matrix res; res.r = r... 阅读全文
posted @ 2018-09-07 11:30 过路人1998 阅读(101) 评论(0) 推荐(0) 编辑