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{-
http://www.codecodex.com/wiki/Insertion_sort#Standard_ML
-}
import System.Random
isort [] = []
isort (x:xs) = insert x (isort xs)
insert x [] = [x]
insert x (y:ys) =
if x<=y then x:y:ys
else y:(insert x ys)
{-
main = print $ isort [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 = isort list
print (validation sorted)
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