RosettaCodeData/Task/Disarium-numbers/Haskell/disarium-numbers.hs
2023-07-01 13:44:08 -04:00

10 lines
248 B
Haskell

module Disarium
where
import Data.Char ( digitToInt)
isDisarium :: Int -> Bool
isDisarium n = (sum $ map (\(c , i ) -> (digitToInt c ) ^ i )
$ zip ( show n ) [1 , 2 ..]) == n
solution :: [Int]
solution = take 18 $ filter isDisarium [0, 1 ..]