Merge pull request #5332 from LubosKolouch/master

Challenge 141 LK Perl Task 1 2

2 files changed, 54 insertions, 0 deletions

diff --git a/challenge-141/lubos-kolouch/perl/ch-1.pl b/challenge-141/lubos-kolouch/perl/ch-1.pl
new file mode 100644
index 0000000000..c5598a84da
--- /dev/null
+++ b/challenge-141/lubos-kolouch/perl/ch-1.pl
@@ -0,0 +1,21 @@
+use strict;
+use warnings;
+use Data::Dumper;
+
+use Math::Factor::XS qw/factors/;
+
+my @nums;
+
+my $pos = 1;
+
+while ( scalar @nums < 10 ) {
+
+    my @factors = factors($pos);
+
+    # 1 and the number are always divisors
+    push @nums, $pos if scalar @factors == 6;
+
+    $pos++;
+}
+
+warn Dumper \@nums;
diff --git a/challenge-141/lubos-kolouch/perl/ch-2.pl b/challenge-141/lubos-kolouch/perl/ch-2.pl
new file mode 100644
index 0000000000..947a18b44b
--- /dev/null
+++ b/challenge-141/lubos-kolouch/perl/ch-2.pl
@@ -0,0 +1,33 @@
+use strict;
+use warnings;
+
+use Algorithm::Combinatorics qw/combinations/;
+use List::MoreUtils qw(uniq);
+
+sub get_integers {
+    my ( $what, $divisor ) = @_;
+
+    my @unique = uniq split '', $what;
+
+    my $result;
+
+    for my $i ( 1 .. scalar @unique - 1 ) {
+        my @combinations = combinations( \@unique, $i );
+
+        for my $comb (@combinations) {
+            my $num = join '', @$comb;
+            $result++ if $num % $divisor == 0;
+        }
+
+    }
+
+    return $result;
+
+}
+
+use Test::More;
+
+is( get_integers( 1234, 2 ), 9 );
+is( get_integers( 768,  4 ), 3 );
+
+done_testing;