Fake tournament spoj problem

Правка en1, от jugal_sahu, 2015-06-07 14:48:41

I was trying to solve fake tournament problem on spoj but i was unable to come up with any solution. Can anyone give me hint.Thanks.

problem link: here

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en1 Английский jugal_sahu 2015-06-07 14:48:41 220 Initial revision (published)