When the fast pointer points to head again, the slow pointer would point to the middle of the linked list.
On Sat, Mar 27, 2010 at 11:51 PM, vikrant singh <vikrantsing...@gmail.com>wrote: > Well gaurav, i think by this method you can only check for a cycle in the > list. > If u have any idea how can you implement this to solve originally posted > problem? > > On Sat, Mar 27, 2010 at 9:03 AM, gaurav kishan <gauravkis...@gmail.com>wrote: > >> Hi, >> >> Keep two pointers both initially pointing to Head. >> Move first pointer one by one and the second pointer by two nodes in each >> iteration. >> When second pointer next link points to head again,return first pointer. >> >> Please let me know if this can be further imporved upon or there is some >> fallacy in the approach. >> >> Regards, >> Gaurav. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algoge...@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > > > -- > Vikrant Singh > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algoge...@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
