From e5e8007197489a84d2fc3c499efe822642ba682e Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Thu, 11 Dec 2025 06:30:36 +0100
Subject: Day 11 2025

---
 2025/11/b.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 2025/11/b.py

(limited to '2025/11/b.py')

diff --git a/2025/11/b.py b/2025/11/b.py
new file mode 100644
index 0000000..8fdcc8b
--- /dev/null
+++ b/2025/11/b.py
@@ -0,0 +1,16 @@
+import fileinput
+from functools import cache
+
+a = {}
+with fileinput.input() as lines:
+	for line in lines:
+		v, l2 = line[:-1].split(': ')
+		a[v] = l2.split(' ')
+
+@cache
+def np(v, d, f):
+	if v == 'out':
+		return 1 if d and f else 0
+	return sum(np(w, d or v == 'dac', f or v == 'fft') for w in a[v])
+
+print(np('svr', False, False))
-- 
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