XP is just a number PerlMonks

### Comment on

 Need Help??
Al,
As promised, here is my inefficient code as written specifically for the Euler problem.
```#!/usr/bin/perl
use strict;
use warnings;
use Math::BigFloat;

my (\$max, \$suspect) = (0,0);

N:
for (2..999) {
my \$n = Math::BigFloat->new(1);
\$n->bdiv(\$_, 4000);
my (\$str) = \$n->bstr() =~ /(\d+)\1/;
my (\$best, \$orig) = ('', \$str);
while (1) {
my (\$long_match) = \$str =~ /(\d+)\1/;

last if ! defined \$long_match;
next N if \$long_match =~ /^(\d)\1+\$/;

# ensure we don't reduce too far
my \$len  = length(\$long_match);
my \$mult = int(length(\$orig) / \$len);
last if substr(\$orig, 0, \$len * \$mult) !~ /^(\$long_match)+\$/;

\$str = \$best = \$long_match;
}
my \$len = length(\$best);
(\$max, \$suspect) = (\$len, \$_) if \$len > \$max;
}
print "\$max\t\$suspect\n";

Cheers - L~R

In reply to Re: Recurring Cycle of Fractions by Limbic~Region
in thread Recurring Cycle of Fractions by Limbic~Region

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