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3 peg hanoi solver

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Michael Mandl 2016-03-27 14:11:47 +02:00
parent c698ebb625
commit 4127c9dad6
1 changed files with 13 additions and 0 deletions
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Homework 1/hanoi.hs Normal file
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type Peg = String
type Move = (Peg, Peg)
hanoi :: Integer -> Peg -> Peg -> Peg -> [Move]
hanoi 1 a b c = [(a, c)]
hanoi n a b c = concat [
hanoi (n-1) a c b,
hanoi 1 a b c,
hanoi (n-1) b a c ]