euler/haskell/e025.hs

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Haskell
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2015-01-04 23:52:50 +01:00
fib = 1 : 1 : zipWith (+) fib (tail fib)
fibIndexed = zip fib [1..]
e025 = filter (\(d, _) -> (length . show $ d) >= 1000) fibIndexed