From fa688258ca8c8ba5b36cb00898056e87b8702933 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Tue, 6 Dec 2022 11:02:38 +0100
Subject: [PATCH] [py] Solve 2022_06

---
 py/aoc/__init__.py  | 3 ++-
 py/aoc/y2022/d06.py | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 py/aoc/y2022/d06.py

diff --git a/py/aoc/__init__.py b/py/aoc/__init__.py
index b752d90..477a115 100644
--- a/py/aoc/__init__.py
+++ b/py/aoc/__init__.py
@@ -4,7 +4,7 @@ from pathlib import Path
 
 from .y2020 import d10
 from .y2021 import d14
-from .y2022 import d01, d02, d03, d04, d05
+from .y2022 import d01, d02, d03, d04, d05, d06
 
 DAYS = {
     "2020_10": y2020.d10.solve,
@@ -14,6 +14,7 @@ DAYS = {
     "2022_03": y2022.d03.solve,
     "2022_04": y2022.d04.solve,
     "2022_05": y2022.d05.solve,
+    "2022_06": y2022.d06.solve,
 }
 
 
diff --git a/py/aoc/y2022/d06.py b/py/aoc/y2022/d06.py
new file mode 100644
index 0000000..e025b10
--- /dev/null
+++ b/py/aoc/y2022/d06.py
@@ -0,0 +1,9 @@
+def scan(s, lookback):
+    for i in range(len(s) - lookback + 1):
+        if len(set(s[i : i + lookback])) == lookback:
+            return i + lookback
+
+
+def solve(inputstr):
+    print(f"Part 1: {scan(inputstr, 4)}")
+    print(f"Part 2: {scan(inputstr, 14)}")