110 lines
4.1 KiB
Plaintext
110 lines
4.1 KiB
Plaintext
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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("d1": int 0 int 1
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"d2": int 1 int 0
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"d3": int 0 int -1
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"d4": int -1 int 0
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"dir": addr "d1" addr "d2" addr "d3" addr "d4")
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("counter": int 0)
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(* Out = 0 Empty = 1 Peg = 2 *)
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("line0": int 0 int 0 int 0 int 0 int 0 int 0 int 0 int 0 int 0
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"line1": int 0 int 0 int 0 int 2 int 2 int 2 int 0 int 0 int 0
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"line2": int 0 int 0 int 0 int 2 int 2 int 2 int 0 int 0 int 0
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"line3": int 0 int 2 int 2 int 2 int 2 int 2 int 2 int 2 int 0
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"line4": int 0 int 2 int 2 int 2 int 1 int 2 int 2 int 2 int 0
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"line5": int 0 int 2 int 2 int 2 int 2 int 2 int 2 int 2 int 0
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"line6": int 0 int 0 int 0 int 2 int 2 int 2 int 0 int 0 int 0
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"line7": int 0 int 0 int 0 int 2 int 2 int 2 int 0 int 0 int 0
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"line8": int 0 int 0 int 0 int 0 int 0 int 0 int 0 int 0 int 0
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"board": addr "line0" addr "line1" addr "line2" addr "line3"
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addr "line4" addr "line5" addr "line6" addr "line7" addr "line8")
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("format": string "%d\n\000")
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(function "solve" (m: int)
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(store "counter" (+ (load "counter" int) 1))
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(if (== m 31)
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(== (intaref (addraref "board" 4) 4) 2)
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(try
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(if (== (mod (load "counter" int) 500) 0)
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(extcall "printf" ["format" (load "counter" int)] unit)
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[])
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(let i 1
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(while (<= i 7)
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(let j 1
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(while (<= j 7)
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(if (== (intaref (addraref "board" i) j) 2)
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(seq
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(let k 0
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(while (<= k 3)
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(let (d1 (intaref (addraref "dir" k) 0)
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d2 (intaref (addraref "dir" k) 1)
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i1 (+ i d1)
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i2 (+ i1 d1)
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j1 (+ j d2)
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j2 (+ j1 d2))
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(if (== (intaref (addraref "board" i1) j1) 2)
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(if (== (intaref (addraref "board" i2) j2) 1)
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(seq
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(intaset (addraref "board" i) j 1)
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(intaset (addraref "board" i1) j1 1)
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(intaset (addraref "board" i2) j2 2)
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(if (app "solve" (+ m 1) int)
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(raise 0a)
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[])
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(intaset (addraref "board" i) j 2)
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(intaset (addraref "board" i1) j1 2)
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(intaset (addraref "board" i2) j2 1))
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[])
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[]))
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(assign k (+ k 1)))))
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[])
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(assign j (+ j 1))))
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(assign i (+ i 1))))
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0
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with bucket
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1)))
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("format_out": string ".\000")
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("format_empty": string " \000")
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("format_peg": string "$\000")
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("format_newline": string "\n\000")
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(function "print_board" ()
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(let i 0
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(while (< i 9)
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(let j 0
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(while (< j 9)
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(switch 3 (intaref (addraref "board" i) j)
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case 0:
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(extcall "printf" "format_out" unit)
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case 1:
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(extcall "printf" "format_empty" unit)
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case 2:
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(extcall "printf" "format_peg" unit))
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(assign j (+ j 1))))
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(extcall "printf" "format_newline" unit)
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(assign i (+ i 1)))))
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(function "solitaire" ()
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(seq
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(if (app "solve" 0 int)
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(app "print_board" [] unit)
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[])
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0))
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