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7
Task/Forward-difference/Perl/forward-difference.pl
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7
Task/Forward-difference/Perl/forward-difference.pl
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@ -0,0 +1,7 @@
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sub dif {
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my @s = @_;
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map { $s[$_+1] - $s[$_] } 0 .. $#s-1
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}
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@a = qw<90 47 58 29 22 32 55 5 55 73>;
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while (@a) { printf('%6d', $_) for @a = dif @a; print "\n" }
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