RosettaCodeData/Task/Babbage-problem/Haskell/babbage-problem-1.hs

13 lines
320 B
Haskell

--Calculate squares, testing for the last 6 digits
findBabbageNumber :: Integer
findBabbageNumber =
head (filter ((269696 ==) . flip mod 1000000 . (^ 2)) [1 ..])
main :: IO ()
main =
(putStrLn . unwords)
(zipWith
(++)
(show <$> ([id, (^ 2)] <*> [findBabbageNumber]))
[" ^ 2 equals", " !"])