Evang's blog

By Evang, history, 6 weeks ago, In English

Hello

For the past few days, I've been trying to solve this problem, but I still cannot come up with a solution that I can prove.

My only current candidate answer is that the longest common zigzag sequence is always in the longest common subsequence, but because there can be multiple longest common subsequences, I don't know which one to choose. Also, I don't even know if the longest common zigzag sequence is part of the longest common subsequence.

Can anyone help me with this problem? I cannot find any good explanations online.

 
 
 
 
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