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| back to board | Which is the father node? Posted by Roby  24 Sep 2006 13:19  u and v,which is the father node?Re: Which is the father node? any...Re: Which is the father node? There's no father node. You can do topsort and choose ityourself.
Re: Which is the father node? Um... You can't topsort a given tree, because it's an undirected graph. | 
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