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Re: Re: (Efficiency Golf) Triangular numbers

by blakem (Monsignor)
on May 31, 2001 at 11:28 UTC ( #84481=note: print w/replies, xml ) Need Help??

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  1. or download this
    @seen {$n,} = ();
....
@seen {$o,} = ();
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    $seen{$n} = undef;
$seen{$o} = undef;
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    @seen {$n} = ();  # note the lack of comma after $n
....
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