From c2f7e147f7d467ebf4e91f3d4dc3bae47bf8f465 Mon Sep 17 00:00:00 2001
From: "Jaldhar H. Vyas" <jaldhar@braincells.com>
Date: Sun, 2 Jan 2022 23:54:04 -0500
Subject: Challenge 145 by Jaldhar H. Vyas.

---
 challenge-145/jaldhar-h-vyas/blog.txt       |  1 +
 challenge-145/jaldhar-h-vyas/perl/ch-1.pl   | 30 ++++++++++++++++++++++++++
 challenge-145/jaldhar-h-vyas/perl/ch-2.pl   | 33 +++++++++++++++++++++++++++++
 challenge-145/jaldhar-h-vyas/raku/ch-1.raku |  6 ++++++
 challenge-145/jaldhar-h-vyas/raku/ch-2.raku | 30 ++++++++++++++++++++++++++
 5 files changed, 100 insertions(+)
 create mode 100644 challenge-145/jaldhar-h-vyas/blog.txt
 create mode 100755 challenge-145/jaldhar-h-vyas/perl/ch-1.pl
 create mode 100755 challenge-145/jaldhar-h-vyas/perl/ch-2.pl
 create mode 100755 challenge-145/jaldhar-h-vyas/raku/ch-1.raku
 create mode 100755 challenge-145/jaldhar-h-vyas/raku/ch-2.raku

diff --git a/challenge-145/jaldhar-h-vyas/blog.txt b/challenge-145/jaldhar-h-vyas/blog.txt
new file mode 100644
index 0000000000..d551a3d14a
--- /dev/null
+++ b/challenge-145/jaldhar-h-vyas/blog.txt
@@ -0,0 +1 @@
+https://www.braincells.com/perl/2022/01/perl_weekly_challenge_week_145.html
diff --git a/challenge-145/jaldhar-h-vyas/perl/ch-1.pl b/challenge-145/jaldhar-h-vyas/perl/ch-1.pl
new file mode 100755
index 0000000000..2427a80bd5
--- /dev/null
+++ b/challenge-145/jaldhar-h-vyas/perl/ch-1.pl
@@ -0,0 +1,30 @@
+#!/usr/bin/perl
+use 5.020;
+use warnings;
+
+sub sum {
+    my ($arr) = @_;
+    my $total = 0;
+
+    for my $elem (@{$arr}) {
+        $total += $elem;
+    }
+
+    return $total;
+}
+
+sub Zmultiply {
+    my @a = @{ $_[0] };
+    my @b = @{ $_[1] };
+
+    my @result;
+    for my $i (0 .. scalar @b - 1) {
+        push @result, $a[$i] * $b[$i];
+    }
+    return @result;
+}
+
+my @a = (1, 2, 3);
+my @b = (4, 5, 6);
+
+say sum([Zmultiply(\@a, \@b)]);
diff --git a/challenge-145/jaldhar-h-vyas/perl/ch-2.pl b/challenge-145/jaldhar-h-vyas/perl/ch-2.pl
new file mode 100755
index 0000000000..b6b0413c07
--- /dev/null
+++ b/challenge-145/jaldhar-h-vyas/perl/ch-2.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+use 5.020;
+use warnings;
+
+sub isPalindrome {
+    my ($word) = @_;
+
+    return $word eq join q{}, reverse split //, $word;
+}
+
+my $s = shift // die "Need a word.\n";
+my @palindromes;
+
+for my $i (0 .. length($s) - 1) {
+
+    my $char = substr $s, $i, 1;
+    if (!scalar grep { $_ eq $char; } @palindromes) {
+        push @palindromes, $char;
+    }
+
+    my $distance = length($s) - $i;
+    while ($distance > 1) {
+        my $part = substr $s, $i, $distance;
+        if (isPalindrome($part) && !scalar grep { $_ eq $part; } @palindromes) {
+            push @palindromes, $part;
+            last;
+        } else {
+            $distance--;
+        }
+    }
+}
+
+say join q{ }, @palindromes;
diff --git a/challenge-145/jaldhar-h-vyas/raku/ch-1.raku b/challenge-145/jaldhar-h-vyas/raku/ch-1.raku
new file mode 100755
index 0000000000..a3ba3496d5
--- /dev/null
+++ b/challenge-145/jaldhar-h-vyas/raku/ch-1.raku
@@ -0,0 +1,6 @@
+#!/usr/bin/raku
+
+my @a = (1, 2, 3);
+my @b = (4, 5, 6);
+
+say  [+] (@a Z @b).map({ [*] $_; });
\ No newline at end of file
diff --git a/challenge-145/jaldhar-h-vyas/raku/ch-2.raku b/challenge-145/jaldhar-h-vyas/raku/ch-2.raku
new file mode 100755
index 0000000000..2c7d65648f
--- /dev/null
+++ b/challenge-145/jaldhar-h-vyas/raku/ch-2.raku
@@ -0,0 +1,30 @@
+#!/usr/bin/raku
+
+sub isPalindrome(Str $word) {
+    return $word eq $word.flip;
+}
+
+sub MAIN(
+    Str $s
+) {
+    my @palindromes;
+
+    for 0 ..^ $s.chars -> $i {
+        if $s.substr($i, 1) ne @palindromes.any  {
+            @palindromes.push($s.substr($i, 1));
+        }
+
+        my $distance = $s.chars - $i;
+        while $distance > 1 {
+            my $part = $s.substr($i, $distance);
+            if isPalindrome($part) && $part ne @palindromes.any {
+                @palindromes.push($part);
+                last;
+            } else {
+                $distance--;
+            }
+        }
+    }
+
+    say @palindromes.join(q{ });
+}
\ No newline at end of file
-- 
cgit