There's also HackerRank that supports Perl among other languages and sets the time limit differently for each language (default is 9s for Perl, compared to 10s for Python and Ruby, or 2s for C and C++). There are many categories, you might be interested in the "Strings" subdomain in the "Algorithms" domain, or the "Regex" domain. Coincidentally, I'll be presenting some tricks I used to solve some of the tougher assignments at HackerRank at the Perl Conference in Amsterdam in two weeks.

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

In reply to Re: Perl in programming contests and problem solving by choroba
in thread Perl in programming contests and problem solving by rsFalse

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