in reply to Random Derangement Of An Array
sub fisher_yates_shuffle { my $deck = shift; # $deck is a reference to an array my $i = @$deck; while ($i--) { my $j = int rand ($i+1); @$deck[$i,$j] = @$deck[$j,$i]; } } my @list = (1..5); fisher_yates_shuffle( \@list ); print join ', ',@list;
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Re^2: Random Derangement Of An Array
by Limbic~Region (Chancellor) on Jul 06, 2008 at 04:12 UTC |
In Section
Seekers of Perl Wisdom