Hi everyone! Today I was looking for a way to solve de LCS (Longest Common Subsequence) problem for n strings and I found a curious comment of a member saying that this problem can be reduced to a Vertex Cover. Could someone please help me explaining how to do it?
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There is a paper here proving reduction to PSAT (Propositional SATisfiability problem)
It's here http://codeforces.net/blog/entry/3188, at the end
So the question is how to reduce them?
Exactly! :)
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