day2 - tiles

README.md

@@ -1,4 +1,13 @@
 # Advent of Code 2024
 
 <!-- AOC TILES BEGIN -->
+<h1 align="center">
+  2024 - 4 ⭐ - Python
+</h1>
+<a href="day01.py">
+  <img src=".aoc_tiles/tiles/2024/01.png" width="161px">
+</a>
+<a href="day02.py">
+  <img src=".aoc_tiles/tiles/2024/02.png" width="161px">
+</a>
 <!-- AOC TILES END -->

day02.py

@@ -0,0 +1,51 @@
+from tools.aoc import AOCDay
+from typing import Any
+
+
+def check_report(levels: list[int]) -> bool:
+    safe = True
+    mode = None
+    for i, level in enumerate(levels):
+        if i == 0: continue
+        if i == 1: mode = level < levels[i - 1]
+
+        if not 1 <= abs(level - levels[i - 1]) <= 3 or mode != (level < levels[i - 1]):
+            safe = False
+            break
+
+    return safe
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            (2, "input2_test"),
+            (680, "input2"),
+        ],
+        [
+            (4, "input2_test"),
+            (710, "input2"),
+        ]
+    ]
+
+    def part1(self) -> Any:
+        return sum(check_report(x) for x in self.getInputAsArraySplit(split_char=" ", return_type=int))
+
+    def part2(self) -> Any:
+        safe = 0
+        for report in self.getInputAsArraySplit(split_char=" ", return_type=int):
+            if check_report(report):
+                safe += 1
+                continue
+
+            for x in range(len(report)):
+                if check_report(report[:x] + report[x + 1:]):
+                    safe += 1
+                    break
+
+        return safe
+
+
+if __name__ == '__main__':
+    day = Day(2024, 2)
+    day.run(verbose=True)

inputs/input2_test

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+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9