[Lemon-user] Determining components

[Peter A. Kolski]

Dear LEMON users,

I can't get the following code to work. The command countConnectedComponents() works, but not the one when I include a NodeMap:

    ListDigraph                    mGraph;
    ListDigraph::NodeMap<int>      mCompIds(mGraph);
    int nrComponents        =      connectedComponents( undirected( mGraph ), mCompIds );


Anyone done this before? Did I forget something?

Thank you very much

PETER


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