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My bit of clever (Score:2)

by petdance (2468) <andy@petdance.com> on 2008.06.09 0:20 (#63241) Homepage Journal

I wrote a brute-force solution. My one little trick: next if $nine =~ qr/[$seven]/; A three digit number makes a fine character class inside of a regex when making sure that you're not reusing a digit.

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