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Re^3: Largest Sum of Consecutive Integers (abstraction)

by johnnywang (Priest)
on Aug 31, 2006 at 17:53 UTC ( #570652=note: print w/replies, xml ) Need Help??


in reply to Re^2: Largest Sum of Consecutive Integers (abstraction)
in thread Largest Sum of Consecutive Integers

Another observation is that you can always add the consecutive postive or negative numbers together, so you only need to deal with the case when the sequence is alternating, +-+-+-+-...+. That may simplify the logic. But tilly's solution is certainly elegant, the only "drawback" is that it's not symmetric, would be more beautiful if it went from both ends.
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[Discipulus]: good morning Corion!
[Corion]: I spent parts of yesterday digging into Filter::Simple to make it not change the line numbers of unfiltered code, but I think I need regex help (which will come in a SoPW I guess). I tried @lines = /((?:"...."|[^" \n]+)\n)/gs, but that matched on...
[Corion]: ... foo "\0\0\0\n" bar\n by matching the first \n instead of matching the four-bytes-in- double-quotes part
[Corion]: ... and I still don't understand why ;)
[Corion]: This is because Filter::Simple does some string-trickery, replacing all string literals with "quoted packed numbers"
[Corion]: I fear this might be a bug in the RE engine, but if it is a bug, even fixing won't help me because I need Filter::Simple for Filter::signatures , which provides signatures as a backwards compatibility feature for Perl <5.22 - and these ...
[Corion]: ... won't get a fix anyway ;) My plan B is to encode the string placeholders avoiding \r and \n

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