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Category: Spanning Tree Counting

BZOJ-1002: Rotavirus [FJOI2007]

2018-06-242018-06-26 appledorem Leave a comment

Problem Description: There are many variety to the rotavirus. Some of them follow the structure in the image below(graph 1.1), where there are connections between every node on the circumference with the center and with its neighbour. Specifically, we define the N-sided virus as a virus that for every pairs of nodes on the virus […]

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