I have a single observation for you: 34 * xxx can never produce xxx43.

Because 4 * any digit will never produce a 3 as the last digit of the result.

That single observation will allow you to cut your runtime by (several) orders of magnitude.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Perl script performance help by BrowserUk
in thread Perl script performance help by G0G0

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