Solve 2024:25 pt 1 "Code Chronicle"

Merry XMAS!

2024-python/output/day_25.py

@@ -0,0 +1,32 @@
+from collections import Counter
+
+
+def solve(data):
+    grids = [
+        (m.strip()[0], list(map(Counter, zip(*m.split())))) for m in data.split("\n\n")
+    ]
+    locks = []
+    keys = []
+    for kind, grid in grids:
+        match kind:
+            case "#":
+                locks.append(tuple(str(g[kind] - 1) for g in grid))
+            case ".":
+                keys.append(tuple(str(7 - g[kind] - 1) for g in grid))
+    p1 = sum(
+        all(int(lock[i]) + int(k[i]) <= 5 for i in range(5))
+        for lock in locks
+        for k in keys
+    )
+    p2 = "God jul!"
+    return p1, p2
+
+
+if __name__ == "__main__":
+    with open("./input/25.txt", "r") as f:
+        inp = f.read().strip()
+
+    p1, p2 = solve(inp)
+
+    print(p1)
+    print(p2)