Q2) get to n/2 nodes Reverse link list after n/2 nodes Now check from 1st node and n/2 node for equality Can make the checking for equality function recursive
Sent from my iPhone 4 On 26-Aug-2012, at 12:41 AM, Ashish Goel <ashg...@gmail.com> wrote: > Q1. Design a data structure for the following operations: > > I. Enqueue > > II. Dequeue > > III. Delete a given number(if it is present in the queue, else > do nothing) > > IV. isNumberPresent > > All these operations should take O(1) time. > > > > Q2. Check if a linked list (each char is a node) is palindrome, recursively. > > Best Regards > Ashish Goel > "Think positive and find fuel in failure" > +919985813081 > +919966006652 > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@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. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@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.