AdventOfCode/Python/2022/14.py
2023-10-20 13:52:47 +02:00

39 lines
904 B
Python

from lib import *
input = read_input(2022, 14)
rock = set()
maxy = 0
for line in input.splitlines():
for a, b in sliding_window(line.split(" -> ")):
for x, y in iter_line(*map(int, a.split(",")), *map(int, b.split(","))):
rock.add((x, y))
maxy = max(y, maxy)
def simulate(x, y, air, maxy):
while y <= maxy:
if air(x, y + 1):
y += 1
elif air(x - 1, y + 1):
x -= 1
y += 1
elif air(x + 1, y + 1):
x += 1
y += 1
else:
return x, y
return None
sand = set()
while s := simulate(500, 0, lambda x, y: (x, y) not in rock and (x, y) not in sand, maxy):
sand.add(s)
print(len(sand))
sand = set()
while (500, 0) not in sand:
sand.add(simulate(500, 0, lambda x, y: y < maxy + 2 and (x, y) not in rock and (x, y) not in sand, maxy + 2))
print(len(sand))