2016 D1

Author: mike-code

data/day14.txt renamed to 2015/data/day14.txt

@@ -0,0 +1 @@
+L5, R1, L5, L1, R5, R1, R1, L4, L1, L3, R2, R4, L4, L1, L1, R2, R4, R3, L1, R4, L4, L5, L4, R4, L5, R1, R5, L2, R1, R3, L2, L4, L4, R1, L192, R5, R1, R4, L5, L4, R5, L1, L1, R48, R5, R5, L2, R4, R4, R1, R3, L1, L4, L5, R1, L4, L2, L5, R5, L2, R74, R4, L1, R188, R5, L4, L2, R5, R2, L4, R4, R3, R3, R2, R1, L3, L2, L5, L5, L2, L1, R1, R5, R4, L3, R5, L1, L3, R4, L1, L3, L2, R1, R3, R2, R5, L3, L1, L1, R5, L4, L5, R5, R2, L5, R2, L1, L5, L3, L5, L5, L1, R1, L4, L3, L1, R2, R5, L1, L3, R4, R5, L4, L1, R5, L1, R5, R5, R5, R2, R1, R2, L5, L5, L5, R4, L5, L4, L4, R5, L2, R1, R5, L1, L5, R4, L3, R4, L2, R3, R3, R3, L2, L2, L2, L1, L4, R3, L4, L2, R2, R5, L1, R2

data/day15.txt renamed to 2015/data/day15.txt

@@ -0,0 +1 @@
+R5, L5, R5, R3

data/day16.txt renamed to 2015/data/day16.txt

@@ -0,0 +1,26 @@
+import re, math, numpy as np
+
+finder = re.compile(r'([LR]{1}\d+)(?:,)?')
+
+with open('data/day1.txt') as fp:
+	movements = finder.findall(fp.read())
+
+looking = 0
+pos     = (0, 0)
+dual    = None
+m_tbl   = [[0,1],[1,0],[0,-1],[-1,0]]
+visited = []
+
+for m in movements:
+	looking = (looking + (1 if m[:1] == 'R' else -1)) % 4
+
+	for i in range(1, int(m[1:]) + 1):
+		pos = (pos[0] + m_tbl[looking][0], pos[1] + m_tbl[looking][1])
+
+		if dual == None and pos in visited:
+			dual = pos
+		visited += [pos]
+
+
+print("Ans 1:", abs(pos[0]) + abs(pos[1]))
+print("Ans 2:", abs(dual[0]) + abs(dual[1]))