20 lines
340 B
Forth
20 lines
340 B
Forth
~~~
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'Num var
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'From var
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'To var
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'Via var
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:set-vars !Via !To !From !Num ;
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:hanoi (num,from,to,via-)
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set-vars
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@Num n:-zero?
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[
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@Num @From @To @Via
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@Num n:dec @From @Via @To hanoi
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set-vars
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@To @From '\nMove_a_ring_from_%n_to_%n s:with-format puts
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@Num n:dec @Via @To @From hanoi
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] if ;
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#3 #1 #3 #2 hanoi nl
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~~~
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