#P9171. Link is as bear

    ID: 5253 传统题 2000ms 128MiB 尝试: 3 已通过: 3 难度: 6 上传者: 标签>CF2000线性基数学数据结构LCT图论2022杭电多校

Link is as bear

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

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