let rec qsort = function | []   -> []
                         | h::t -> qsort (List.filter ((>=) h) t)
                                   @ [h] @
                                   qsort (List.filter ((<) h) t)
 
 
[<EntryPoint>]
let main args = 
        let sample = "99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0".Split(',')|> Seq.iter(printf "%s;")
 
        System.Console.WriteLine(qsort []) 
        0

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