From 2c1dccf57d7ad5e25e79063dea41fd7bfa9d9ac6 Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Sat, 2 Dec 2017 09:30:07 +0100
Subject: Move 2016 to its own folder

---
 2016/1b.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 2016/1b.py

(limited to '2016/1b.py')

diff --git a/2016/1b.py b/2016/1b.py
new file mode 100755
index 0000000..cc24f76
--- /dev/null
+++ b/2016/1b.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+import sys, re
+
+ins=[({"R":-1j,"L":1j}[s[0]],int(s[1:])) for s in re.findall(r"[RL]\d+",sys.stdin.readline())]
+hits={}
+p=0
+d=1
+for i in ins:
+	d*=i[0]
+	for _ in range(i[1]):
+		p+=d
+		hits[p]=hits.get(p,0)+1
+		if hits[p]>=2:
+			print(int(abs(p.real)+abs(p.imag)))
+			sys.exit(0)
-- 
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