aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Initial data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Task/Van-Eck-sequence/Haskell/van-eck-sequence-1.hs Normal file
View file

@ -0,0 +1,13 @@
import Data.List (elemIndex)
import Data.Maybe (maybe)
vanEck :: Int -> [Int]
vanEck n = reverse $ iterate go [] !! n
where
go [] = [0]
go xxs@(x:xs) = maybe 0 succ (elemIndex x xs) : xxs
main :: IO ()
main = do
print $ vanEck 10
print $ drop 990 (vanEck 1000)