use strict ;
use warnings ;
use Data::Dumper ;
sub has_dups
{
my $arr = shift ;
my %counter ;
foreach ( @$arr )
{
return 1 if $counter{$_}++ ;
}
return 0 ;
}
my @A = (1, 2, 3, 4, 5) ;
my @B = (6, 7, 7, 8, 9) ;
my @C = (10, 11, 12, 13, 15) ;
my @D = grep { !has_dups($_) } ( \@A, \@B, \@C ) ;
print Dumper( \@D ) ;
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, 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, 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: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
|
|
