Rename the folder #01.

01-secret-entrance/solve.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+import sys
+
+position = 50
+code = 0
+
+for line in sys.stdin:
+    line = line.strip()
+    if line.startswith('L'):
+        position -= int(line[1:])
+    elif line.startswith('R'):
+        position += int(line[1:])
+    else:
+        raise Exception('weird line')
+
+    position %= 100
+
+    if not position:
+        code += 1
+
+print(code)