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A new efficient implementation of Ukkonen's algorithm in C++

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I  implemented a suffix tree library. There is a Wikipedia article on suffix trees here:

The new library is really neat! It can also generate nice images from real inputs. Here are some images of suffix trees generated by the library:

ImageThe image on the left is a great classic: the suffix tree of the word "cacao".Suffix tree of "bananas"

 Another great classic: the suffix tree of the word "bananas".

And finally something more challenging: the "word" obtained by randomly typing "asdf":