my @nlist = (3,24,8,17,23,14,17,9,16,24,25,11,22,14,14,8,19,16,15,8);
my @key_list = ('A'..'Z');

my @lookup;
my %hash;

NLIST:
foreach my $num (@nlist) {
   foreach (@lookup) {
      my ($factor, $key) = @$_;
      if ($num % $factor == 0) {
         push(@{$hash{$key}}, $num);
         next NLIST;
      }
   }

   my $key = shift(@key_list);
   push(@lookup, [$num, $key]);
   $hash{$key} = [ $num ];
}

require Data::Dumper;
print(Data::Dumper::Dumper(\%hash));

[download]

output: (reformatted for readability)

$VAR1 = {
          'A' => [3,24,9,24,15],
          'B' => [8,16,8,16,8],
          'C' => [17,17],
          'D' => [23],
          'E' => [14,14,14],
          'F' => [25],
          'G' => [11,22],
          'H' => [19]
        };

[download]

In reply to Re: Howto Dynamically Create a Hash? by ikegami
in thread Howto Dynamically Create a Hash? by monkfan

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.