From 54f5e9b0b7956c918358d7113480049d85724ec1 Mon Sep 17 00:00:00 2001
From: Solathian <horvath6@gmail.com>
Date: Sun, 19 Nov 2023 12:13:49 +0100
Subject: Added files for 243

---
 challenge-243/solathian/perl/ch-1.pl | 30 ++++++++++++++++++++++++++++++
 challenge-243/solathian/perl/ch-2.pl | 28 ++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 challenge-243/solathian/perl/ch-1.pl
 create mode 100644 challenge-243/solathian/perl/ch-2.pl

diff --git a/challenge-243/solathian/perl/ch-1.pl b/challenge-243/solathian/perl/ch-1.pl
new file mode 100644
index 0000000000..e577f69bd8
--- /dev/null
+++ b/challenge-243/solathian/perl/ch-1.pl
@@ -0,0 +1,30 @@
+#!usr/bin/perl
+use v5.38;
+
+use builtin "indexed";
+no warnings "experimental";
+
+
+# Challenge 243 - 1 - Reverse Pairs
+# You are given an array of integers.
+# Write a script to return the number of reverse pairs in the given array.
+# A reverse pair is a pair (i, j) where: a) 0 <= i < j < nums.length and b) nums[i] > 2 * nums[j].
+
+revPair((1, 3, 2, 3, 1));
+revPair((2, 4, 3, 5, 1));
+
+sub revPair(@arr)
+{
+    my @pairs;
+
+    foreach my ($i, $iVal) (indexed @arr)
+    {
+        foreach my ($j, $jVal) (indexed @arr)
+        {
+            # just going with the debug approach, a simple counter would also suffice
+            push(@pairs, [$i, $j])      if( $i < $j and $iVal > 2*$jVal);   
+        }
+    }
+
+    say "Number of pairs: ", scalar @pairs;
+}
\ No newline at end of file
diff --git a/challenge-243/solathian/perl/ch-2.pl b/challenge-243/solathian/perl/ch-2.pl
new file mode 100644
index 0000000000..90b8d13b56
--- /dev/null
+++ b/challenge-243/solathian/perl/ch-2.pl
@@ -0,0 +1,28 @@
+#!usr/bin/perl
+use v5.38;
+use builtin "floor";
+no warnings "experimental";
+
+# Challenge 243 - 2 - Floor Sum
+# You are given an array of positive integers (>=1).
+# Write a script to return the sum of floor(nums[i] / nums[j]) where 0 <= i,j < nums.length. 
+# The floor() function returns the integer part of the division.
+
+
+floorSum(2, 5, 9);
+floorSum(7, 7, 7, 7, 7, 7, 7);
+
+sub floorSum(@list)
+{
+    my $sum;
+    
+    foreach my ($iVal) (@list)
+    {
+        foreach my ($jVal) (@list)
+        {
+            $sum += floor($iVal / $jVal)
+        }
+    }
+    
+    say $sum;
+}
\ No newline at end of file
-- 
cgit