🎄 Add solution to 2024-12-25

Author: fuglede

2024/day25/solutions.py

@@ -0,0 +1,13 @@
+from itertools import combinations
+
+with open("input") as f:
+    gs = [g.split("\n") for g in f.read().strip().split("\n\n")]
+
+# Part 1
+print(
+    sum(
+        g1[0][0] != g2[0][0]
+        and not any({g1[i][j], g2[i][j]} == {"#"} for i in range(7) for j in range(5))
+        for g1, g2 in combinations(gs, 2)
+    )
+)