Hi,
I have (I think) a quite uncommon problem: I'm looking for the longest path in
a graph with some cycles (not allowing to visit twice the same vertex in a
path). To use the igraph API, I chose to delete one vertex in every cycle (and
so for every possible combination) to use the Bellman algorithm with negative
weights. The problem is that I only get the length of and not the path itself
(I'd like both actually). The function used is shortest_paths_dijkstra
I saw somewhere that the good function to get the path is get_shortest_paths,
but it seems this one doesn't accept negative weights.
Does anyone have a solution to solve my problem?
Thanks a lot in advance,
Paul
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