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  • Committer: Bazaar Package Importer
  • Author(s): Mark Baker
  • Date: 2004-03-29 23:52:44 UTC
  • Revision ID: james.westby@ubuntu.com-20040329235244-fox1z1yv7d6vojoo
Tags: upstream-6.30
Import upstream version 6.30

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html/answers1/answer7.html
 
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<HTML><HEAD><TITLE>Answer to Exercise 7</TITLE></HEAD>
 
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<BODY BGCOLOR="#FFFFFF">
 
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<TABLE><TR><TD Valign="top"><IMG SRC="../icons/exercise.gif" ALT="??"><TD bgcolor="#FAA89B"><B>ANSWER TO EXERCISE 7</B><TR><TD><TD>
 
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<P>
 
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<PRE>
 
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[ SwapDirs o1 o2 x;
 
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  x=o1.door_dir; o1.door_dir=o2.door_dir; o2.door_dir=x; ];
 
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[ ReflectWorld;
 
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  SwapDirs(e_obj,w_obj); SwapDirs(ne_obj,nw_obj); SwapDirs(se_obj,sw_obj);
 
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];
 
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</PRE>
 
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</TABLE>
 
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<HR>Back to <A HREF="../section10.html#ex7">the exercise in section 10</A><HR>
 
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<SMALL><I>Mechanically translated to HTML from third edition as revised 16 May 1997. Copyright &#169; Graham Nelson 1993, 1994, 1995, 1996, 1997: all rights reserved.</I></SMALL></BODY></HTML>