REVERSE ..WA ..need more cases..

I have been trying to find an input for which my solution to this problem fails…but unfortunately m not able to find one …asked admins for help …but no responses …this was not the same in july challenge…

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@rachilies you cannot expect any help during an ongoing contest. Because it would defeat the very purpose of the event then!


If it is not given that vertex i is not connected to vertex i, can i assume that we can reach from vertex i to vertex i