1 files changed, 7 insertions, 1 deletions

diff --git a/2025/01/a.py b/2025/01/a.py
index 5fdb11b..114acb4 100644
--- a/2025/01/a.py
+++ b/2025/01/a.py
@@ -1,6 +1,12 @@
 import fileinput
 
+p = 50
+c = 0
 with fileinput.input() as lines:
         for line in lines:
-                ...
+                s = 1 if line[0] == "R" else -1
+                p = (p + s * int(line[1:])) % 100
+                if p == 0:
+                        c += 1
 
+print(c)