From 89929901e88749c8428afd0cf5684caa49a246b7 Mon Sep 17 00:00:00 2001
From: Tom van der Lee <tom@vanderlee.io>
Date: Wed, 3 Dec 2025 17:45:22 +0100
Subject: Day 3

---
 day3/__init__.py | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 day3/__init__.py

(limited to 'day3/__init__.py')

diff --git a/day3/__init__.py b/day3/__init__.py
new file mode 100644
index 0000000..9025f4a
--- /dev/null
+++ b/day3/__init__.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+from abc import ABC
+from typing import Iterator
+
+from aoc import BaseAssignment
+
+
+class Assignment(BaseAssignment, ABC):
+    @classmethod
+    def parse_item(cls, item: str) -> Iterator[list[int]]:
+        yield [int(i) for i in item]
+
+    @classmethod
+    def find_highest_joltage(cls, item: list[int], n: int) -> int:
+        values = list()
+        item_length = len(item)
+
+        last_index = -1
+        for end_index in range(item_length - n + 1, item_length + 1):
+            start_index = last_index + 1
+            value = max(item[start_index:end_index])
+            last_index = item.index(value, start_index, end_index)
+            values.append(str(value))
+
+        return int("".join(values))
+
+
+class AssignmentOne(Assignment):
+    example_result = 357
+
+    def run(self, input: Iterator[list[int]]) -> int:
+        return sum([self.find_highest_joltage(item, 2) for item in input])
+
+
+class AssignmentTwo(Assignment):
+    example_result = 3121910778619
+
+    def run(self, input: Iterator[list[int]]) -> int:
+        return sum([self.find_highest_joltage(item, 12) for item in input])
-- 
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