You can set a counter in the BFS loop and if the value of the counter exceeds |V||E| then you know you are in a cycle.
That is exactly how I have done this kind of detection in some programming contest problems. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/algogeeks -~----------~----~----~----~------~----~------~--~---
