From 68615a9ad2c942254135cffb00cf25a84a3b1356 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sat, 31 Dec 2022 22:21:39 +0100
Subject: Initial commit

---
 10/main.py | 41 +++++++++++++++++++++++++++++++++++++++++
 10/test.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100755 10/main.py
 create mode 100755 10/test.py

(limited to '10')

diff --git a/10/main.py b/10/main.py
new file mode 100755
index 0000000..b2ec42c
--- /dev/null
+++ b/10/main.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python
+
+
+
+def play_round(old):
+    new = ""
+
+    i = 0
+    while i < len(old):
+        c = old[i]
+
+        count = 0
+        while i < len(old) and old[i] == c:
+            count += 1
+            i += 1
+
+        new += str(count) + c
+
+    return new
+
+
+
+def solve_partn(partn, string):
+    rounds = 40 if partn == 1 else 50
+    for i in range(rounds):
+        string = play_round(string)
+    return len(string)
+
+
+
+def main():
+    # My personal input string
+    string = "1113122113"
+
+    print("Part 1 solution:", solve_partn(1, string)) #  360154 for me
+    print("Part 2 solution:", solve_partn(2, string)) # 5103798 for me
+
+
+
+if __name__ == "__main__":
+    main()
diff --git a/10/test.py b/10/test.py
new file mode 100755
index 0000000..a311b2e
--- /dev/null
+++ b/10/test.py
@@ -0,0 +1,28 @@
+#!/usr/bin/python
+
+import unittest
+
+import main
+
+
+
+class ExamplesPart1(unittest.TestCase):
+    def test_example1(self):
+        self.assertEqual(main.play_round("1"), "11")
+
+    def test_example2(self):
+        self.assertEqual(main.play_round("11"), "21")
+
+    def test_example3(self):
+        self.assertEqual(main.play_round("21"), "1211")
+
+    def test_example4(self):
+        self.assertEqual(main.play_round("1211"), "111221")
+
+    def test_example5(self):
+        self.assertEqual(main.play_round("111221"), "312211")
+
+
+
+if __name__ == "__main__":
+    unittest.main()
-- 
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