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Discussion of Problem 1156. Two Rounds

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Test:
6 5
1 2
4 3
2 9
2 4
4 1

Ans:
IMPOSSIBLE
It doesn't help
Re: if you get wa, try this test, maybe will help you IgorKoval(from Pskov) 12 Mar 2012 22:26
Thank you very mutch!!! It's very helpfull if somebody get WA7.
(We just cann't paint this graph on 2 colors. )
Re: if you get wa, try this test, maybe will help you Pravă Felix-Mihai 18 May 2021 17:40
A very good test, thanks. I had WA7 and now I have AC, using this one