#P9166. Magic

    ID: 5245 传统题 3000ms 256MiB 尝试: 4 已通过: 2 难度: 5 上传者: 标签>CF1800差分约束最短路前缀和队列构造数学2022

Magic

Source: Super League of Chinese College Students Algorithm Design 2022, Contest 4 by BIT.