Day 2 2025 (solved part 2 before part 1 because I misread lol)

1 files changed, 12 insertions, 1 deletions

diff --git a/2025/02/a.py b/2025/02/a.py
index 5fdb11b..9c6fd84 100644
--- a/2025/02/a.py
+++ b/2025/02/a.py
@@ -1,6 +1,17 @@
 import fileinput
 
+def invalid(n):
+        return n[:len(n)//2] == n[len(n)//2:]
+
+s = 0
 with fileinput.input() as lines:
         for line in lines:
-                ...
+                for r in line.split(","):
+                        l = r.split("-");
+                        for n in range(int(l[0]), int(l[1])+1):
+                                if invalid(str(n)):
+                                        print(n)
+                                        s += n
+print(s)
+