day12

day12.py

@@ -0,0 +1,37 @@
+from tools.aoc import AOCDay
+from typing import Any
+
+from tools.grid import Grid
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            #(2, "input12_test"),  # the test is a lie
+            (544, "input12"),
+        ],
+        [
+            (None, "input12"),
+        ]
+    ]
+
+    def part1(self) -> Any:
+        blocks = self.getMultiLineInputAsArray()
+        presents = {int(p[0][0]): Grid.from_data(p[1:], translate={'#': True, '.': False}).getOnCount() for p in blocks[:-1]}
+        ans = 0
+        for tree in blocks[-1]:
+            dim, pw = tree.split(": ")
+            row, col = map(int, dim.split("x"))
+            grid_size = row * col
+            present_size = sum(x * presents[i] for i, x in enumerate(map(int, pw.split())))
+            if present_size < grid_size:
+                ans += 1
+        return ans
+
+    def part2(self) -> Any:
+        return ""
+
+
+if __name__ == '__main__':
+    day = Day(2025, 12)
+    day.run(verbose=True)

inputs/input12_test

@@ -0,0 +1,33 @@
+0:
+###
+##.
+##.
+
+1:
+###
+##.
+.##
+
+2:
+.##
+###
+##.
+
+3:
+##.
+###
+##.
+
+4:
+###
+#..
+###
+
+5:
+###
+.#.
+###
+
+4x4: 0 0 0 0 2 0
+12x5: 1 0 1 0 2 2
+12x5: 1 0 1 0 3 2