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Help for a Graph Theory Question (Party 115A)

Revision en1, by survival_001, 2020-09-03 22:03:07

Hello codeforces! can anyone explain me the test case of this question ? Thanks in advance :)

Tags #graph, #dfs and similar, trees, c++ 14

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en1 English survival_001 2020-09-03 22:03:07 197 Initial revision (published)