8 lines
184 B
Haskell
8 lines
184 B
Haskell
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import Data.List
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import System.Random
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rndPermu :: [a] -> IO [a]
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rndPermu ls = do
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gen <- getStdGen
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return $ take (length ls) [ls !! m | m <- nub $ randomRs (0, length ls - 1) gen]
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