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takuma7/gist:640522

Created October 22, 2010 13:24
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Project Euler - Problem 2
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gistfile1.hs
import System.IO
main = do
putStrLn $ show $ sum $ filter even $ takeWhile ((>) 4000000) fib
fib = 1:2:[ a+b | (a,b) <- zip fib (tail fib)]
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