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Task/Knuth-shuffle/Perl/knuth-shuffle.pl
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8
Task/Knuth-shuffle/Perl/knuth-shuffle.pl
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sub shuffle {
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my @a = @_;
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foreach my $n (1 .. $#a) {
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my $k = int rand $n + 1;
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$k == $n or @a[$k, $n] = @a[$n, $k];
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}
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return @a;
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}
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