Merry Christmas?HEADmaster

1 files changed, 45 insertions, 0 deletions

diff --git a/2025/12/a-if-it-was-serious.py b/2025/12/a-if-it-was-serious.py
new file mode 100644
index 0000000..59ffd72
--- /dev/null
+++ b/2025/12/a-if-it-was-serious.py
@@ -0,0 +1,45 @@
+import fileinput
+
+class Present:
+        def __init__(self, lines5):
+                self.baseshape = [line[:-1] for line in lines5[1:4]]
+                self.area = sum(l.count('#') for l in self.baseshape)
+
+        @staticmethod
+        def pretty(s):
+                return '\n'.join(s)
+
+        def __str__(self):
+                return Present.pretty(self.baseshape)
+
+        @staticmethod
+        def singlerot(s):
+                return [''.join(s[j][2-i] for j in range(3)) for i in range(3)]
+
+        @staticmethod
+        def singleflip(s):
+                return [''.join(s[i][2-j] for j in range(3)) for i in range(3)]
+
+        def shape(self, rot, flip):
+                s = list(self.baseshape)
+                for _ in range(rot):
+                        s = Present.singlerot(s)
+                if flip:
+                        s = Present.singleflip(s)
+                return s
+
+class Region:
+        def __init__(self, line):
+                wh, n = line[:-1].split(': ')
+                self.w, self.h = tuple(int(i) for i in wh.split('x'))
+                self.p = [int(i) for i in n.split(' ')]
+
+        def __str__(self):
+                return f"({self.w}x{self.h}) {self.p}"
+
+with fileinput.input() as lines:
+        lines = list(lines)
+        presents = [Present(lines[5*i:5*(i+1)]) for i in range(6)]
+        regions = [Region(line) for line in lines[30:]]
+
+# Then you'd have to find some algorithm to solve this, but it is crazy hard