摘要: template <int M = 1000000007> struct rational{ ll p, q; rational(ll p = 0, ll q = 1):p(p), q(q){} rational operator + (const rational &rhs) const{ ret 阅读全文
posted @ 2022-11-10 03:59 tiany7 阅读(25) 评论(0) 推荐(0) 编辑