aoc2020/24/1.py

40 lines
823 B
Python

with open("input") as f:
content = [x.strip() for x in f]
white = 0
black = 1
floor = [white] * 50
for i in range(len(floor)):
floor[i] = [white] * 50
prev = None
for m in content:
x = 25
y = 25
for c in m:
if c == "s":
y += 1
elif c == "n":
y -= 1
elif c == "e":
if prev not in ["s"]:
x += 1
elif c == "w":
if prev not in ["n"]:
x -= 1
if c in ["e", "w"]:
if prev in ["n", "s"]:
print(f"{prev}{c}", x,y)
else:
print(c, x,y)
prev = c
print(f"switching {x},{y} from {floor[y][x]}")
floor[y][x] = white if floor[y][x] == black else black
result = 0
for x in floor:
result += x.count(black)
print(result)