You haven't realised that any traversal would be infinite for the failing cases for the same reasons. Repeat visits to a node in the structure tell you nothing about whether the traversal is finite. And counting those is not really a direct approach. A sort is a kind of traversal too.

One world, one people

In reply to Re^2: Sort mechanics problems with objects and potentially contradicting comparisons (would cause infinite loop) by anonymized user 468275
in thread Sort mechanics problems with objects and potentially contradicting comparisons (would cause infinite loop) by anonymized user 468275

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