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A graph is an abstract representation of objects (vertices) connected by links (edges). For questions about plotting data graphically, use the [data-visualization] tag instead.

6 votes

Sort a list of pairs representing an acyclic, partial automorphism

It would be good if your function could work for more than 3 trips. And for larger chains of trips it becomes important to make it efficient. It is not efficient to search for the next trip by scann …
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