From 204693e9ecff8f799dbcf84e3085d68f8537c0ff Mon Sep 17 00:00:00 2001
From: Simon Green <mail@simon.green>
Date: Sun, 29 Jun 2025 22:41:39 +1000
Subject: sgreen solutions to challenge 327

---
 challenge-327/sgreen/python/ch-1.py | 27 +++++++++++++++++++++++++++
 challenge-327/sgreen/python/ch-2.py | 37 +++++++++++++++++++++++++++++++++++++
 challenge-327/sgreen/python/test.py | 21 +++++++++++++++++++++
 3 files changed, 85 insertions(+)
 create mode 100755 challenge-327/sgreen/python/ch-1.py
 create mode 100755 challenge-327/sgreen/python/ch-2.py
 create mode 100755 challenge-327/sgreen/python/test.py

(limited to 'challenge-327/sgreen/python')

diff --git a/challenge-327/sgreen/python/ch-1.py b/challenge-327/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..6c52c9dc2f
--- /dev/null
+++ b/challenge-327/sgreen/python/ch-1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def missing_integers(ints: list) -> list[int]:
+    """Find missing integers in a sequence.
+
+    Args:
+        ints (list): List of integers.
+
+    Returns:
+        list[int]: List of missing integers in the sequence.
+    """
+
+    return [i for i in range(1, len(ints) + 1) if i not in ints]
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = missing_integers(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-327/sgreen/python/ch-2.py b/challenge-327/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..02a0964aaf
--- /dev/null
+++ b/challenge-327/sgreen/python/ch-2.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def mad(ints: list) -> list[list[int]]:
+    """Find pairs of integers with the minimum absolute difference.
+
+    Args:
+        ints (list): List of integers.
+
+    Returns:
+        list[list[int]]: List of pairs of integers with the minimum absolute difference.
+    """
+
+    ints = sorted(ints)
+    min_diff = None
+    min_diff_pairs = []
+    for i in range(len(ints) - 1):
+        diff = ints[i + 1] - ints[i]
+        if min_diff is None or diff < min_diff:
+            min_diff = diff
+            min_diff_pairs = []
+        if diff == min_diff:
+            min_diff_pairs.append([ints[i], ints[i + 1]])
+
+    return min_diff_pairs
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = mad(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-327/sgreen/python/test.py b/challenge-327/sgreen/python/test.py
new file mode 100755
index 0000000000..816ecc6abb
--- /dev/null
+++ b/challenge-327/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.missing_integers([1, 2, 1, 3, 2, 5]), [4, 6])
+        self.assertEqual(ch_1.missing_integers([1, 1, 1]), [2, 3])
+        self.assertEqual(ch_1.missing_integers([2, 2, 1]), [3])
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.mad([4, 1, 2, 3]), [[1,2], [2,3], [3,4]])
+        self.assertEqual(ch_2.mad([1, 3, 7, 11, 15]), [[1,3]])
+        self.assertEqual(ch_2.mad([1, 5, 3, 8]), [[1,3], [3,5]])
+
+
+if __name__ == '__main__':
+    unittest.main()
-- 
cgit