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Re^2: Fastest way to sort a list of integers into 0,1,2,3,-3,-2,-1

by Eily (Monsignor)
on Feb 05, 2019 at 17:12 UTC ( #1229422=note: print w/replies, xml ) Need Help??

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  1. or download this
    vr_map => sub { # https://www.perlmonks.org/?node_id=1229415
                    my @list = @input;
    ...
                            map { ~$_ } @list; # Doesn't even give the cor
    +rect answer, there's an offset of 1
                    Compare(\@list,\@output) or die "@list" if DO_CHECK;
                  },
    
  2. or download this
                 Rate      Eily    vr_map grepfirst sortfirst        vr
    Eily       5208/s        --      -53%      -64%      -67%      -71%
    vr_map    11021/s      112%        --      -25%      -31%      -38%
    grepfirst 14623/s      181%       33%        --       -8%      -17%
    sortfirst 15977/s      207%       45%        9%        --      -10%
    vr        17701/s      240%       61%       21%       11%        --
    

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