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| author | Shinya Sato <shinnya.sato@gmail.com> | 2022-05-02 09:49:01 +0900 |
|---|---|---|
| committer | Shinya Sato <shinnya.sato@gmail.com> | 2022-05-02 09:49:01 +0900 |
| commit | 8c7809d024e85d0a8acfb794a4db41b0e4bc13e6 (patch) | |
| tree | 25ac81bad7be415d7cf75457275f7161d79f9f10 /comparison/OCaml/msort260000.ml | |
| parent | 429543c748aaf81b2a4207318eb5a05259469b21 (diff) | |
| download | inpla-8c7809d024e85d0a8acfb794a4db41b0e4bc13e6.tar.gz inpla-8c7809d024e85d0a8acfb794a4db41b0e4bc13e6.zip | |
v0.8.2-1
Diffstat (limited to 'comparison/OCaml/msort260000.ml')
| -rw-r--r-- | comparison/OCaml/msort260000.ml | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/comparison/OCaml/msort260000.ml b/comparison/OCaml/msort260000.ml new file mode 100644 index 0000000..a44f41a --- /dev/null +++ b/comparison/OCaml/msort260000.ml @@ -0,0 +1,49 @@ +open Format + +let rec split (alist : int list) = + match alist with + [] -> ([], []) + | [a] -> ([a], []) + | a::b::cs -> + let (m,n) = split cs in + (a::m, b::m) ;; + +let rec merge (alist : int list) (blist : int list) = + match alist with + [] -> blist + | x::xs -> + match blist with + [] -> x::xs + | y::ys -> + if x<y then x::(merge xs (y::ys)) + else y::(merge (x::xs) ys) ;; + + +let rec msort (alist : int list) = + match alist with + [] -> [] + | a::[] -> [a] + | a::b::[] -> if a<b then [a;b] else [b;a] + | xs -> + let (m,n) = split xs + in merge (msort m) (msort n) ;; + + + +let rec mkRandList n = + match n with + 0 -> [] + | n -> (Random.int 10000)::(mkRandList (n-1)) ;; + +let rec validation alist = + let rec validation_cons x blist = + match blist with + [] -> true + | y::ys -> if x<=y then (validation_cons y ys) else false + in + match alist with + [] -> true + | x::xs -> validation_cons x xs;; + + +let () = print_bool (validation (msort (mkRandList 260000)));; |
