This same website has a solution for the permutation of a string. http://www.myt... | Hacker News

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dodger1 on Feb 1, 2010 | parent | context | favorite | on: Nth-to-Last Element in a Singly Linked List

This same website has a solution for the permutation of a string. http://www.mytechinterviews.com/permutations-of-a-string

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