Add 2022 day 3 solutions

1 files changed, 27 insertions, 0 deletions

diff --git a/2022/03/puzzle-1.py b/2022/03/puzzle-1.py
new file mode 100755
index 0000000..713e282
--- /dev/null
+++ b/2022/03/puzzle-1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+
+def cut(s: str) -> (str, str):
+	n = len(s) // 2
+	return s[:n], s[n:]
+
+
+def main() -> None:
+	with open("input", "r") as f:
+		data = f.readlines()
+
+	acc = 0
+	for line in data:
+		car, cdr = cut(line)
+		for c in car:
+			if cdr.find(c) != -1:
+				if "a" <= c <= "z":
+					acc += ord(c) - ord("a") + 1
+				else:
+					acc += ord(c) - ord("A") + 27
+				break
+
+	print(acc)
+
+
+if __name__ == "__main__":
+	main()