Towers of Hanoi: Difference between revisions

=={{header|ABC}}==

<syntaxhighlight lang="ABC">HOW TO MOVE n DISKS FROM src VIA via TO dest:

IF n>0:

MOVE n-1 DISKS FROM src VIA dest TO via

WRITE "Move disk from pole", src, "to pole", dest/

MOVE n-1 DISKS FROM via VIA dest TO src

MOVE 4 DISKS FROM 1 VIA 2 TO 3</syntaxhighlight>

{{out}}

<pre>Move disk from pole 1 to pole 2

Move disk from pole 1 to pole 3

Move disk from pole 2 to pole 1

Move disk from pole 1 to pole 2

Move disk from pole 3 to pole 2

Move disk from pole 3 to pole 1

Move disk from pole 2 to pole 3

Move disk from pole 1 to pole 3

Move disk from pole 2 to pole 1

Move disk from pole 2 to pole 3

Move disk from pole 1 to pole 2

Move disk from pole 2 to pole 1

Move disk from pole 3 to pole 1

Move disk from pole 3 to pole 2

Move disk from pole 1 to pole 3</pre>