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Recursion Confusion

by live4tech (Sexton)
on Apr 27, 2013 at 06:12 UTC ( #1030922=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    sub factorial 
       return 1 if $n == 0;
       return factorial($n-1) * $n;
  2. or download this
    sub hanoi 
          hanoi($n-1, $extra, $end, $start);
  3. or download this
    Move disk #1 from A to C.
    Move disk #2 from A to B.
    Move disk #1 from B to A.
    Move disk #2 from B to C.
    Move disk #1 from A to C.

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