note
Anonymous Monk
<code>
my $num = $ARGV[0];
my $den = $ARGV[1];
my $rem = $num%$den;
my $rec;
my $rec_exists;
while ($rem) {
$rem *= 10;
my $quotient = int($rem/$den);
if($rec =~ m/$quotient/) {
$rec_exists = 1;
last;
}
$rec .= int($rem/$den);
$rem %= $den;
}
if ($rec_exists) {
print "recurrence exists: $rec \n";
}
else
{
print "no recurrence ..\n";
}
</code>
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