From 792c93b84a7620d53c7954e504350cae61a98433 Mon Sep 17 00:00:00 2001
From: "Jaldhar H. Vyas" <jaldhar@braincells.com>
Date: Sun, 14 Jan 2024 15:37:42 -0500
Subject: Challenge 251 by Jaldhar H. Vyas

---
 challenge-251/jaldhar-h-vyas/blog.txt       |  1 +
 challenge-251/jaldhar-h-vyas/perl/ch-1.pl   | 15 +++++++++
 challenge-251/jaldhar-h-vyas/perl/ch-2.pl   | 52 +++++++++++++++++++++++++++++
 challenge-251/jaldhar-h-vyas/raku/ch-1.raku | 17 ++++++++++
 challenge-251/jaldhar-h-vyas/raku/ch-2.raku | 11 ++++++
 5 files changed, 96 insertions(+)
 create mode 100644 challenge-251/jaldhar-h-vyas/blog.txt
 create mode 100755 challenge-251/jaldhar-h-vyas/perl/ch-1.pl
 create mode 100755 challenge-251/jaldhar-h-vyas/perl/ch-2.pl
 create mode 100755 challenge-251/jaldhar-h-vyas/raku/ch-1.raku
 create mode 100755 challenge-251/jaldhar-h-vyas/raku/ch-2.raku

diff --git a/challenge-251/jaldhar-h-vyas/blog.txt b/challenge-251/jaldhar-h-vyas/blog.txt
new file mode 100644
index 0000000000..7067d1cdb7
--- /dev/null
+++ b/challenge-251/jaldhar-h-vyas/blog.txt
@@ -0,0 +1 @@
+https://www.braincells.com/perl/2024/01/perl_weekly_challenge_week_251.html
diff --git a/challenge-251/jaldhar-h-vyas/perl/ch-1.pl b/challenge-251/jaldhar-h-vyas/perl/ch-1.pl
new file mode 100755
index 0000000000..d627d5dbab
--- /dev/null
+++ b/challenge-251/jaldhar-h-vyas/perl/ch-1.pl
@@ -0,0 +1,15 @@
+#!/usr/bin/perl
+use 5.030;
+use warnings;
+
+my $total = 0;
+
+while (scalar @ARGV > 1) {
+    $total += shift . pop;
+}
+
+if (scalar @ARGV) {
+    $total += $ARGV[0];
+}
+
+say $total;
diff --git a/challenge-251/jaldhar-h-vyas/perl/ch-2.pl b/challenge-251/jaldhar-h-vyas/perl/ch-2.pl
new file mode 100755
index 0000000000..776a426a63
--- /dev/null
+++ b/challenge-251/jaldhar-h-vyas/perl/ch-2.pl
@@ -0,0 +1,52 @@
+#!/usr/bin/perl
+use 5.030;
+use warnings;
+
+
+sub intersection {
+    my ($arr1, $arr2) = @_;
+    my %intersection;
+    for my $i (@{$arr1}, @{$arr2}) {
+        $intersection{$i}++;
+    }
+
+    return grep { $intersection{$_} > 1 } keys %intersection;
+}
+
+sub max {
+    my @arr = @_;
+    my $highest = '-inf';
+    for my $i (@arr) {
+        if ($i > $highest) {
+            $highest = $i;
+        }
+    }
+
+    return $highest;
+}
+
+sub min {
+    my @arr = @_;
+    my $lowest = 'inf';
+    for my $i (@arr) {
+        if ($i < $lowest) {
+            $lowest = $i;
+        }
+    }
+
+    return $lowest;
+}
+
+my @matrix = map { [ map { 0 + $_} split /\s+/ ] } @ARGV;
+my @mins;
+my @maxs;
+
+for my $i (0 .. scalar @matrix - 1) {
+    push @mins, min(@{$matrix[$i]}) || -1;
+}
+
+for my $i (0 .. scalar @{$matrix[0]} - 1) {
+    push @maxs, max(map { $matrix[$_]->[$i] } 0 .. scalar @matrix - 1) || -1;
+}
+
+say join q{ }, intersection(\@mins, \@maxs);
diff --git a/challenge-251/jaldhar-h-vyas/raku/ch-1.raku b/challenge-251/jaldhar-h-vyas/raku/ch-1.raku
new file mode 100755
index 0000000000..5f40852477
--- /dev/null
+++ b/challenge-251/jaldhar-h-vyas/raku/ch-1.raku
@@ -0,0 +1,17 @@
+#!/usr/bin/raku
+
+sub MAIN(
+    *@ints
+) {
+    my $total = 0;
+
+    while @ints.elems > 1 {
+        $total += @ints.shift ~ @ints.pop;
+    }
+
+    if @ints.elems {
+        $total += @ints[0];
+    }
+
+    say $total;
+}
\ No newline at end of file
diff --git a/challenge-251/jaldhar-h-vyas/raku/ch-2.raku b/challenge-251/jaldhar-h-vyas/raku/ch-2.raku
new file mode 100755
index 0000000000..eae6d8e809
--- /dev/null
+++ b/challenge-251/jaldhar-h-vyas/raku/ch-2.raku
@@ -0,0 +1,11 @@
+#!/usr/bin/raku
+
+sub MAIN(
+    *@args
+) {
+    my @matrix = @args.map({ [ $_.words.map({ .Int }) ] });
+    my @mins = @matrix.keys.map({ @matrix[$_].min || -1 });
+    my @maxs  = @matrix[0].keys.map({ @matrix[*;$_].max || -1 });
+
+    (@mins ∩ @maxs).keys.join(q{ }).say;
+}
\ No newline at end of file
-- 
cgit