An interesting problem for a specific topic

Revision en1, by aboAdnan, 2018-06-29 11:32:31

Hello!

Here is the problem: Div.2-D. Greg and Graph.

Spoiler (the topic I mean):

BTW, the div.2 contest of this problem is interesting too :)

Tags graphs

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en1 English aboAdnan 2018-06-29 11:32:31 304 Initial revision (published)