摘要: 多项式专用取模类 struct ModInt { static const unsigned P = 998244353, G = 3, GI = 332748118; static inline unsigned reduce(unsigned x) { return x < P ? x : x 阅读全文
posted @ 2022-11-21 16:33 老莽莽穿一切 阅读(28) 评论(0) 推荐(0) 编辑