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nskeip/fibonacci.hs

Created June 13, 2017 18:35
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fibonacci.hs
fibonacci :: Integer -> Integer
fibonacci 0 = 0
fibonacci 1 = 1
fibonacci n = fibohelper n 1 0
fibohelper 1 acc1 acc2 = acc1
fibohelper c acc1 acc2 = fibohelper (c - 1) (acc1 + acc2) acc1
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