diff options
| author | Shinya Sato <shinnya.sato@gmail.com> | 2022-05-30 20:36:53 +0900 |
|---|---|---|
| committer | Shinya Sato <shinnya.sato@gmail.com> | 2022-05-30 20:36:53 +0900 |
| commit | e9db0870164cfec10aa219cc0898c30f6a888f53 (patch) | |
| tree | 262150d7ad6abc6759f41a7adbb6dec4a7c90cb5 /comparison/Haskell/bsort-20000.hs | |
| parent | bd540962efa674bb70dc9ada49393db54616dcbf (diff) | |
| parent | e18b27f43ac23689822d4aaaaa3e8d550e41017a (diff) | |
| download | inpla-e9db0870164cfec10aa219cc0898c30f6a888f53.tar.gz inpla-e9db0870164cfec10aa219cc0898c30f6a888f53.zip | |
Merge branch 'develop'
Diffstat (limited to 'comparison/Haskell/bsort-20000.hs')
| -rw-r--r-- | comparison/Haskell/bsort-20000.hs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/comparison/Haskell/bsort-20000.hs b/comparison/Haskell/bsort-20000.hs new file mode 100644 index 0000000..89ecfab --- /dev/null +++ b/comparison/Haskell/bsort-20000.hs @@ -0,0 +1,45 @@ +{- +https://gist.github.com/masquerade0324/68f4f3fd3ab897fbe1ad +http://files.farka.eu/pub/AC21007/lec5.pdf +-} + +import System.Random + +bs xs 0 = xs +bs (x:y:ys) n = + if x<y then x:(bs (y:ys) (n-1)) + else y:(bs (x:ys) (n-1)) +bs xs n = xs + + +go xs 0 = xs +go xs n = go (bs xs n) (n-1) + +bsort [] = [] +bsort xs = go xs (length xs -1) + +{- +main = print $ bsort [3,2,8,5] +-} + + +randomList :: Int -> IO([Int]) +randomList 0 = return [] +randomList n = do + r <- randomRIO (1,10000) + rs <- randomList (n-1) + return (r:rs) + + +validation [] = True +validation (x:xs) = validation_cons x xs +validation_cons x [] = True +validation_cons x (y:ys) = + if x<=y then validation_cons y ys + else False + + +main = do + list <- randomList 20000 + let sorted = bsort list + print (validation sorted) |
