[Python/2015] Move solutions into .py files

Python/2015/06.py

@@ -0,0 +1,30 @@
+from lib import *
+
+input = read_input(2015, 6)
+
+
+def parse_instructions(instructions):
+    out = []
+
+    for line in instructions:
+        inst, *coords = re.match(r"^([a-z ]+) (\d+),(\d+) through (\d+),(\d+)$", line).groups()
+
+        out.append((["turn off", "turn on", "toggle"].index(inst), *map(int, coords)))
+
+    return out
+
+
+lights = [[0 for _ in range(1000)] for _ in range(1000)]
+for inst, x1, y1, x2, y2 in parse_instructions(input.splitlines()):
+    for y in range(y1, y2 + 1):
+        for x in range(x1, x2 + 1):
+            lights[y][x] = 1 - lights[y][x] if inst == 2 else inst
+print(sum(map(sum, lights)))
+
+
+lights = [[0 for _ in range(1000)] for _ in range(1000)]
+for inst, x1, y1, x2, y2 in parse_instructions(input.splitlines()):
+    for y in range(y1, y2 + 1):
+        for x in range(x1, x2 + 1):
+            lights[y][x] = max(0, lights[y][x] + (inst or -1))
+print(sum(map(sum, lights)))