From fa9375ef9a4ecb36b28cdffe70f2d48cf9bdb58f Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Tue, 9 Dec 2025 08:26:58 +0100
Subject: Day 9 2025

---
 2025/09/a.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to '2025/09/a.py')

diff --git a/2025/09/a.py b/2025/09/a.py
index 5fdb11b..8733737 100644
--- a/2025/09/a.py
+++ b/2025/09/a.py
@@ -1,6 +1,11 @@
 import fileinput
 
 with fileinput.input() as lines:
-	for line in lines:
-		...
+	a = [tuple(int(x) for x in l[:-1].split(',')) for l in lines]
 
+s = 0
+for i in range(len(a)):
+	for j in range(i+1, len(a)):
+		s = max(s, (abs(a[i][0]-a[j][0])+1) * (abs(a[i][1]-a[j][1])+1))
+
+print(s)
-- 
cgit v1.3