7 files changed, 120 insertions, 2 deletions
diff --git a/challenge-326/sgreen/README.md b/challenge-326/sgreen/README.md
index 51e2c1d3e3..dd5a6d6624 100644
--- a/challenge-326/sgreen/README.md
+++ b/challenge-326/sgreen/README.md
@@ -1,3 +1,3 @@
-# The Weekly Challenge 325
+# The Weekly Challenge 326
 
-Blog: [Counting the discounts](https://dev.to/simongreennet/weekly-challenge-counting-the-discounts-313f)
+Blog: [Blog](https://dev.to/simongreennet/weekly-challenge-3ngd)
diff --git a/challenge-326/sgreen/blog.txt b/challenge-326/sgreen/blog.txt
new file mode 100644
index 0000000000..ef787c02db
--- /dev/null
+++ b/challenge-326/sgreen/blog.txt
@@ -0,0 +1 @@
+https://dev.to/simongreennet/weekly-challenge-3ngd
+\ No newline at end of file
diff --git a/challenge-326/sgreen/perl/ch-1.pl b/challenge-326/sgreen/perl/ch-1.pl
new file mode 100755
index 0000000000..50d7b79d43
--- /dev/null
+++ b/challenge-326/sgreen/perl/ch-1.pl
@@ -0,0 +1,18 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+
+use Date::Calc 'Day_of_Year';
+
+sub main ($date) {
+    if ($date !~ /^[0-9]{4}-[0-9][0-9]?-[0-9][0-9]?$/) {
+        die "Usage: $0 YYYY-MM-DD\n";
+    }
+
+    say Day_of_Year(split /-/, $date);
+}
+
+main($ARGV[0]);
+\ No newline at end of file
diff --git a/challenge-326/sgreen/perl/ch-2.pl b/challenge-326/sgreen/perl/ch-2.pl
new file mode 100755
index 0000000000..92d863deff
--- /dev/null
+++ b/challenge-326/sgreen/perl/ch-2.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use feature 'say';
+use experimental 'signatures';
+
+sub main (@ints) {
+    my @result = ();
+    for ( my $i = 0 ; $i <= $#ints ; $i += 2 ) {
+        my $count = $ints[$i];
+        my $value = $ints[ $i + 1 ];
+        foreach my $j ( 1 .. $count ) {
+            push @result, $value;
+        }
+    }
+
+    say "(" . join( ", ", @result ) . ")";
+}
+
+main(@ARGV);
diff --git a/challenge-326/sgreen/python/ch-1.py b/challenge-326/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..c05a79a942
--- /dev/null
+++ b/challenge-326/sgreen/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+from datetime import date
+import re
+import sys
+
+
+def day_of_year(input_date: str) -> int:
+    """
+    Calculate the day of the year from a date string in 'YYYY-MM-DD' format.
+    :param input_date: Date string in 'YYYY-MM-DD' format
+    :return: Day of the year as an integer
+    """
+
+    # Validate the input date format
+    if not re.match(r'^\d{4}-\d\d?-\d\d?$', input_date):
+        raise ValueError("Input date must be in 'YYYY-MM-DD' format")
+
+    year, month, day = map(int, input_date.split('-'))
+    return int((date(year, month, day).strftime('%j')))
+
+
+def main():
+    result = day_of_year(sys.argv[1])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-326/sgreen/python/ch-2.py b/challenge-326/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..153c368500
--- /dev/null
+++ b/challenge-326/sgreen/python/ch-2.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def decompressed_list(ints: list) -> list:
+    """
+    Decompress a list of integers where each integer represents the number of times the next integer should be repeated.
+    :param ints: List of integers
+    :return: Decompressed list of integers
+    """
+    result = []
+    for i in range(0, len(ints), 2):
+        count = ints[i]
+        value = ints[i + 1]
+        result.extend([value] * count)
+    return result
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = decompressed_list(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-326/sgreen/python/test.py b/challenge-326/sgreen/python/test.py
new file mode 100755
index 0000000000..2215ec3e13
--- /dev/null
+++ b/challenge-326/sgreen/python/test.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+import unittest
+ch_1 = __import__('ch-1')
+ch_2 = __import__('ch-2')
+
+
+class TestClass(unittest.TestCase):
+    def test_ch_1(self):
+        self.assertEqual(ch_1.day_of_year('2025-02-02'), 33)
+        self.assertEqual(ch_1.day_of_year('2025-04-10'), 100)
+        self.assertEqual(ch_1.day_of_year('2025-09-07'), 250)
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.decompressed_list([1, 3, 2, 4]), [3, 4, 4])
+        self.assertEqual(ch_2.decompressed_list([1, 1, 2, 2]), [1, 2, 2])
+        self.assertEqual(ch_2.decompressed_list([3, 1, 3, 2]), [1, 1, 1, 2, 2, 2])
+
+
+if __name__ == '__main__':
+    unittest.main()