Perl 脚本之1 :十进制转换成二进制
#!/usr/bin/perl#author: peipei
#date:2014_06_06
sub binary{
my $n = @_;
return $n == 0 || $n == 1;
my $k =int($n/2);
my $b = $n%2;
my $E = binary($k);
retunr $E . $b;
}
print "Pls input a number: \n";
chomp($line = );
$answer = binary($line);
print "answer is $answer \n";
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