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Re: Re: (Efficiency Golf) Triangular numbers

by Abigail (Deacon)
on May 31, 2001 at 19:12 UTC ( #84597=note: print w/ replies, xml ) Need Help??


in reply to Re: (Efficiency Golf) Triangular numbers
in thread (Efficiency Golf) Triangular numbers

Well, your "agricultural" regex could be written far much simpler, in a way even that doesn't hardcode the number of digits: ! /(\d).*\1/

I'm a bit surprised to see an idiom in your program that another solution also used:

foreach (@array) { push @other, $_ if some_condition; }

Of course, that's much clearer, and more efficiently, written as:

@other = grep {some_condition} @array;

-- Abigail

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