1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Pierre Weis, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* only by permission. *)
(* *)
(***********************************************************************)
let move start destination =
print_endline ("I move a discus from " ^ start ^ " to " ^ destination);;
let rec hanoi height start temp destination =
if height > 0 then
begin
hanoi (height - 1) start destination temp;
move start destination;
hanoi (height - 1) temp start destination
end;;
let game height = hanoi height "A" "B" "C";;
if !Sys.interactive then () else begin
let l = Array.length Sys.argv in
if l <= 1 then begin
prerr_endline "Usage: hanoi <number of discusses>";
exit 2 end;
game (int_of_string (Sys.argv.(1)));
exit 0
end;;
|
