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Re: A puzzle
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Re: A puzzle


  • Subject: Re: A puzzle
  • From: Philip Aker <email@hidden>
  • Date: Sat, 22 Nov 2008 03:53:51 -0800

On 2008-11-22, at 03:36:57, Skeeve wrote:

Mark J. Reed schrieb:


But incorporating your idea takes it down under 1.5:


$ time perl -le 'for (0..999999) { $total += split(/1/,$_.0)-1 }; print $total'
600000



real    0m1.405s
user    0m1.403s
sys     0m0.002s


Now try this on your machine, please:

$ time perl -e 'for ($_=1000000;--$_;) { $count+= tr/1/1/; } print $count'
600000
real 0m1.367s
user 0m0.905s
sys 0m0.013s

600000 real 0m0.242s user 0m0.239s sys 0m0.003s

!

Philip Aker
echo email@hidden@nl | tr a-z@. p-za-o.@

Democracy: Two wolves and a sheep voting on lunch.

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  • Follow-Ups:
    • Re: A puzzle
      • From: Simon Topliss <email@hidden>
References: 
 >A puzzle (From: Michelle Steiner <email@hidden>)
 >Re: A puzzle (From: Luther Fuller <email@hidden>)
 >Re: A puzzle (From: "Mark J. Reed" <email@hidden>)
 >Re: A puzzle (From: Skeeve <email@hidden>)

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