From 89dc00913c770e76af9eee5b68242414dbf0feac Mon Sep 17 00:00:00 2001
From: Christian Neukirchen <chneukirchen@gmail.com>
Date: Sat, 17 Dec 2016 16:26:35 +0100
Subject: day17

---
 day17.k | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 day17.k

diff --git a/day17.k b/day17.k
new file mode 100644
index 0000000..535b495
--- /dev/null
+++ b/day17.k
@@ -0,0 +1,15 @@
+/ use q 2016.03.14
+
+d:"veumntbg"
+
+b:1000#" "
+w:{$[(#x)<#b;$[3 3~t:+/(-1 0;1 0;0 -1;0 1;0 0)"UDLR"?x; b::x; &/t>-1; w'x,/:"UDLR"@&"a"<,/$2#-15!x; ];]}
+
+w d;
+(#d)_b	/ DDRRULRDRD
+
+l:0
+u:{$[&/4 4>|/t:+\(-1 0;1 0;0 -1;0 1;0 0)@"UDLR"?x; $[3 3~s:*|t; l::l|#x; $[&/s>-1; u'x,/:"UDLR"@&"a"<,/$2#-15!x;]];]}
+
+u d;
+l-#d	/ 536
-- 
cgit 1.4.1