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back to boardif  input= 1 2      2 4   why output = 1 Posted by  TestT 18 Jul 2004 12:55 Re: if  input= 1 2      2 4   why output = 1 you have to count the edges in conex components and see if it is even(1) or odd (0). This case has one component with 2 edges so write 1.  |  
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