Le 06/05/2020 à 00:10, Mauro Weber a écrit :
for G in I:
if G.is_tree():
If you want to iterate over trees don't filter them by generating all
graphs. This is a huge waste of time
# graphs(n) "=" 2^(n^2) / n!
# trees(n) "=" Catalan(n)
Trees are easy to generate up to isomorphism.
Vincent
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