I have been told that you could pretty much literally implement the > algorithms > from the problem specification with Seq from Data.Sequence and achieve > acceptable speed (IIRC ~ one minute for generating a whole picture). >
Yes, it is straightforward to implement the algorithm when using sequences. > > Are you sure that there is no unintentional bug in your implementation that > slows things down? > The test cases on the problem definition all worked, but they touch very little of the code. I added some "trace" calls, but could not see any trouble. I also did some runs "by hand" and it seemed ok. If only Gödel was wrong... :-) -- Rafael Gustavo da Cunha Pereira Pinto Electronic Engineer, MSc. -- Rafael Gustavo da Cunha Pereira Pinto Electronic Engineer, MSc.
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