From f05d888a0b621ca4e99e2b0fb6e23c097006fe41 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Tue, 28 May 2024 10:29:13 +0200
Subject: Init

---
 progs/a968.py | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 progs/a968.py

(limited to 'progs/a968.py')

diff --git a/progs/a968.py b/progs/a968.py
new file mode 100644
index 0000000..5a0b8f1
--- /dev/null
+++ b/progs/a968.py
@@ -0,0 +1,11 @@
+def count_ways(n): 
+	A = [0] * (n + 1) 
+	B = [0] * (n + 1) 
+	A[0] = 1
+	A[1] = 0
+	B[0] = 0
+	B[1] = 1
+	for i in range(2, n+1): 
+		A[i] = A[i - 2] + 2 * B[i - 1] 
+		B[i] = A[i - 1] + B[i - 2] 
+	return A[n] 
\ No newline at end of file
-- 
cgit v1.2.3-18-g5258