1 files changed, 33 insertions, 0 deletions
diff --git a/semestr-3/anm/numerki/lista2/rozw.ml b/semestr-3/anm/numerki/lista2/rozw.ml
new file mode 100644
index 0000000..f946051
--- /dev/null
+++ b/semestr-3/anm/numerki/lista2/rozw.ml
@@ -0,0 +1,33 @@
+(* Zadanie 1 *)
+
+let sublists l =
+  let rec backtrack sl = function
+    | [] -> [sl]
+    | hd :: tl -> (backtrack (sl @ [hd]) tl) @ backtrack sl tl
+  in backtrack [] l
+
+
+(* Zadanie 2 *)
+
+(* Znalezione tutaj: https://stackoverflow.com/questions/2710233/how-to-get-a-sub-list-from-a-list-in-ocaml *)
+
+let rec super_sublist b e = function
+  | [] -> failwith "empty list"
+  | hd :: tl ->
+      let tail = if e <= 1 then [] else super_sublist (b - 1) (e - 1) tl in
+      if b > 0 then tail else hd :: tail   
+
+(* Moje rozwiązanie: *)
+
+let rec sublist b e l = 
+  let rec suffix idx l = 
+    if idx = 0 then l else suffix (idx - 1) (List.tl l) in 
+  let rec prefix idx l = 
+    if idx = 0 then [] else (List.hd l) :: (prefix (idx - 1) (List.tl l)) in
+  prefix (e - 1) (suffix b l)
+
+let cycle_with_sub sublist_fun xs n = 
+  sublist_fun n (n + (List.length xs)) (xs @ xs) 
+
+let super_cycle = cycle_with_sub super_sublist
+let cycle = cycle_with_sub sublist