6 files changed, 75 insertions, 0 deletions
diff --git a/challenge-184/polettix/blog.txt b/challenge-184/polettix/blog.txt
new file mode 100644
index 0000000000..40571ff122
--- /dev/null
+++ b/challenge-184/polettix/blog.txt
@@ -0,0 +1 @@
+https://etoobusy.polettix.it/2022/09/29/pwc184-sequence-number/
diff --git a/challenge-184/polettix/blog1.txt b/challenge-184/polettix/blog1.txt
new file mode 100644
index 0000000000..2ee4e6950f
--- /dev/null
+++ b/challenge-184/polettix/blog1.txt
@@ -0,0 +1 @@
+https://etoobusy.polettix.it/2022/09/30/pwc184-split-array/
diff --git a/challenge-184/polettix/perl/ch-1.pl b/challenge-184/polettix/perl/ch-1.pl
new file mode 100644
index 0000000000..3197ec196c
--- /dev/null
+++ b/challenge-184/polettix/perl/ch-1.pl
@@ -0,0 +1,15 @@
+#!/usr/bin/env perl
+use v5.24;
+use warnings;
+use experimental 'signatures';
+no warnings 'experimental::signatures';
+
+my @list = qw< ab1234 cd5678 ef1342 >;
+sequence_number(\@list);
+say for @list;
+
+sub sequence_number ($list) {
+   my $n = 0;
+   substr $_, 0, 2, sprintf '%02d', $n++ for $list->@*;
+   return $list;
+}
diff --git a/challenge-184/polettix/perl/ch-2.pl b/challenge-184/polettix/perl/ch-2.pl
new file mode 100644
index 0000000000..cacfd091a3
--- /dev/null
+++ b/challenge-184/polettix/perl/ch-2.pl
@@ -0,0 +1,23 @@
+#!/usr/bin/env perl
+use v5.24;
+use warnings;
+use experimental 'signatures';
+no warnings 'experimental::signatures';
+use Data::Dumper;
+
+my @l = ('1 2', 'p q r', 's 3', '4 5 t');
+say Dumper([split_array(@l)]);
+
+sub split_array (@list) {
+   my (@digits, @letters);
+   for my $item (@list) {
+      my (@ds, @ls);
+      for my $char (split m{\s+}mxs, $item) {
+         if ($char =~ m{\d}mxs) { push @ds, $char }
+         else                   { push @ls, $char }
+      }
+      push @digits,  \@ds if @ds;
+      push @letters, \@ls if @ls;
+   }
+   return (\@digits, \@letters);
+}
diff --git a/challenge-184/polettix/raku/ch-1.raku b/challenge-184/polettix/raku/ch-1.raku
new file mode 100644
index 0000000000..729a7fd569
--- /dev/null
+++ b/challenge-184/polettix/raku/ch-1.raku
@@ -0,0 +1,13 @@
+#!/usr/bin/env raku
+use v6;
+sub MAIN {
+   my @l = < ab1234 cd5678 ef1342 >;
+   sequence-number(@l);
+   .put for @l;
+}
+
+sub sequence-number (@list) {
+   my $n = 0;
+   @list.map({.substr-rw(0, 2) = '%02d'.sprintf($n++)});
+   @list;
+}
diff --git a/challenge-184/polettix/raku/ch-2.raku b/challenge-184/polettix/raku/ch-2.raku
new file mode 100644
index 0000000000..fb49ac833d
--- /dev/null
+++ b/challenge-184/polettix/raku/ch-2.raku
@@ -0,0 +1,22 @@
+#!/usr/bin/env raku
+use v6;
+sub MAIN {
+   my @l = '1 2', 'p q r', 's 3', '4 5 t';
+   my ($digits, $letters) = split-array(@l);
+   say $digits;
+   say $letters;
+}
+
+sub split-array (@list) {
+   my (@digits, @letters);
+   for @list -> $item {
+      my (@ds, @ls);
+      for $item.comb(/\S/) -> $char {
+         if ($char ~~ /\d/) { @ds.push: $char }
+         else               { @ls.push: $char }
+      }
+      @digits.push: @ds if @ds;
+      @letters.push: @ls if @ls;
+   }
+   return (@digits, @letters);
+}