in reply to Re: Algorithm inspiration required.
in thread Algorithm inspiration required.

The problem is the sequence being sought could be huge -- bigger than available memory -- and retaining all the checksums for every position will require even more memory than the sequence itself. SO the problem becomes: how to recognise which checksums must be retained and which can be discarded.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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In Section Seekers of Perl Wisdom