Even with the optimized common, said nasty embedded loops *are there* overall and the using the optimized common doesn't affect the overall complexity.

Actually in the optimised version there are no nested loops and the overall complexity is greatly reduced. The non-optimised version certainly has embedded loops but as you show in the optimised version there is not any need for them because you are using a hash.

In reply to Re^4: True Brute Force Longest Common Sub Sequence by tachyon-II
in thread True Brute Force Longest Common Sub Sequence by Anonymous Monk

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