Initial commit

3 files changed, 382 insertions, 0 deletions

diff --git a/08/input.txt b/08/input.txt
new file mode 100644
index 0000000..3309605
--- /dev/null
+++ b/08/input.txt
@@ -0,0 +1,300 @@
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diff --git a/08/main.py b/08/main.py
new file mode 100755
index 0000000..bfd5b08
--- /dev/null
+++ b/08/main.py
@@ -0,0 +1,64 @@
+#!/usr/bin/python
+
+
+
+def solve_part1(lines):
+    result = 0
+
+    for line in lines:
+        len_code = len(line)
+
+        len_data = 0
+        i = 0
+        while i < len(line):
+            if line[i] == "\"":
+                pass
+            elif line[i] == "\\":
+                if line[i + 1] == "\"" or line[i + 1] == "\\":
+                    len_data += 1
+                    i += 1
+                elif line[i + 1] == "x":
+                    len_data += 1
+                    i += 3
+            else:
+                len_data += 1
+            i += 1
+
+        result += len_code - len_data
+
+    return result
+
+
+
+def solve_part2(lines_old):
+    # Escape all the provided strings once
+    lines_new = []
+    for old in lines_old:
+        new = "\""
+        for c in old:
+            if c == "\"":
+                new += "\\\""
+            elif c == "\\":
+                new += "\\\\"
+            else:
+                new += c
+        new += "\""
+        lines_new.append(new)
+
+    # Then we can just run part 1 on the new input
+    return solve_part1(lines_new)
+
+
+
+def main():
+    # Read (escaped) strings from input text file
+    with open("input.txt", "r") as f:
+        lines = f.read().splitlines()
+
+    print("Part 1 solution:", solve_part1(lines)) # 1333 for me
+    print("Part 2 solution:", solve_part2(lines)) # 2046 for me
+
+
+
+if __name__ == "__main__":
+    main()
diff --git a/08/test.py b/08/test.py
new file mode 100755
index 0000000..1d97b53
--- /dev/null
+++ b/08/test.py
@@ -0,0 +1,18 @@
+#!/usr/bin/python
+
+import unittest
+
+import main
+
+
+
+class Examples(unittest.TestCase):
+    def test_example1(self):
+        lines = ["\"\"", "\"abc\"", "\"aaa\\\"aaa\"", "\"\\x27\""]
+        self.assertEqual(main.solve_part1(lines), 12)
+        self.assertEqual(main.solve_part2(lines), 19)
+
+
+
+if __name__ == "__main__":
+    unittest.main()