can yo tell exactly , how the suffix tree is used for finding palindromes? On Aug 22, 3:58 am, WgpShashank <shashank7andr...@gmail.com> wrote: > Hey Geeks I think question can be solved by many ways . some of the > algorithms are i have implemented & aware of are -> > > 1st. Algo > Generate all palindromes (even & odd length ) of given string while keep > tracking of their length in last just compare max (evenlength_palindrome , > oddlength_palindrome) . > Time Complexity O(N^2) where N is length of String > > 2nd . Algo. For Those Who are just saying Use DP :) > Find The LCS(Longest Common Sub-sequence of String (say s1)& reverse of > String (say s2) ) It Involves > DP to solve efficiently but guaranteed optimal solution > Time Complexity O(N^2) where N is length of String > Space Complexity O(N^2) for table > > 3rd. Use Suffix Tree ( Need to Work On It) basic idea is to build the > suffix tree of string & reverse string check no every node where suffix > belongs to , the deepest common node will us longest palindrome in given > string. > > Correct me if i missed something ? > > Thanks > Shashank Mani > Computer Science > Birla Institute of Technology ,Mesra
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