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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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17
Task/Stern-Brocot-sequence/Haskell/stern-brocot-sequence.hs
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@ -1,9 +1,14 @@
import Data.List
import Data.List (elemIndex)
sb = 1:1: f (tail sb) sb where
f (a:aa) (b:bb) = a+b : a : f aa bb
sb :: [Int]
sb = 1 : 1 : f (tail sb) sb
where
f (a:aa) (b:bb) = a + b : a : f aa bb
main :: IO ()
main = do
print $ take 15 sb
print [(i,1 + (\(Just i)->i) (elemIndex i sb)) | i <- [1..10]++[100]]
print $ all (\(a,b)->1 == gcd a b) $ take 1000 $ zip sb (tail sb)
print $ take 15 sb
print
[ (i, 1 + (\(Just i) -> i) (elemIndex i sb))
| i <- [1 .. 10] ++ [100] ]
print $ all (\(a, b) -> 1 == gcd a b) $ take 1000 $ zip sb (tail sb)