The page you link to mentions being able to build them in O(n) but then only really describes how to go from a suffix tree for string $x to one for string $x.$c (1==length$c) in O(length $x). Using that algorithm would require O(N*N) to build the suffix tree for a string of length N.

So I'm not sure I believe the O(N) claim for building the whole suffix tree based on that page.

- tye        

In reply to Re^3: Challenge: Fast Common Substrings (O(n)?) by tye
in thread Challenge: Fast Common Substrings by Limbic~Region

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