??? if you meant that the string should be of the form pZq where p=q(inverse) , where p,q can only be X or Y, then the simple way would be to see if the first and the last character are same and equal to X or Y or not!!!
but i am sure there is more to this question, it cannot be that simple... -- 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?hl=en.
