I'm familiar with assigning to slices of a hash, and its
use in this line:
@seen {$t, $h, $r, $e} = ();
was very clever. However, why did you use slices
in these lines?
@seen {$n,} = ();
....
@seen {$o,} = ();
Aren't they equivalent to:
$seen{$n} = undef;
$seen{$o} = undef;
Or even just:
@seen {$n} = (); # note the lack of comma after $n
....
@seen {$o} = ();
I guess its that trailing comma that looks odd to me.
-Blake
p.s. props on the @HIGH and @LOW generation... very sneaky!
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