Discussion @ 1105. Observers Coloring @ Timus Online Judge

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Discussion of Problem 1105. Observers Coloring

Help, please.

Posted by ftc 7 Jan 2007 17:53

Could anybody give me any hints about solution.
There was posted one algorithm but it is wrong -
there is a counter-example for it. So, anybody who
has AC, tell me please how to solve it.

Re: Help, please.

Posted by ftc 15 Jan 2007 16:48

Sorry, i've misunderstood some things in solution.