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+(*
+let rec insert x ylist =
+ match ylist with
+ [] -> [x]
+ | y::ys when x<=y -> x::y::ys
+ | y::ys -> y::(insert x ys);;
+*)
+
+let rec insert x ylist =
+ match ylist with
+ [] -> [x]
+ | y::ys -> if x<=y
+ then x::y::ys
+ else y::(insert x ys);;
+
+
+let rec isort (alist : int list) =
+ match alist with
+ [] -> []
+ | x::xs -> insert x (isort xs);;
+
+
+
+let rec mkRandList n =
+ match n with
+ 0 -> []
+ | n -> (Random.int 10000)::(mkRandList (n-1));;
+
+let main = isort (mkRandList 40000);;
+