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Re:A

Posted by Geniuswj at 2009-08-23 13:25:29 on Problem 3740
In Reply To:A Posted by:wk at 2009-08-23 13:17:58 
> Could You explain 2nd test example? For example first, second and last rows in the matrix : 
> first; 0 0 0 1
> SECOND: 1 0 0 0
> last: 0 1 0 0
> satisfies task condition: "could You find some rows". Why the answer is "impossible"?
> 
Please read the problem description carefully.
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