def __init__(self, file_name):
self.base_grid = Grid.from_str(Input(file_name).lines())
biodiversity = 0
for col in range(5):
for row in range(5):
if self.base_grid[col, row] == '#':
index = 5 * row + col
biodiversity |= 2**index
self.with_biodiversity = GridWithBiodiversity(self.base_grid, biodiversity)
def __init__(self, file_name):
lines = Input(file_name).lines()
self.grid: Grid[str] = Grid.from_str(lines)
self.asteroids = self.grid.find('#')
self.monitoring_station = None
most_asteroids = 0
for asteroid in self.asteroids:
asteroid_visible_count = len(self._asteroids_visible_from(asteroid))
if asteroid_visible_count > most_asteroids:
most_asteroids = asteroid_visible_count
self.monitoring_station = asteroid
def part1(self):
self.computer.reset()
self.computer.run()
map_string = self.computer.output_str()
grid = Grid.from_str(map_string)
result = 0
scaffolding = grid.find('#')
for scaffold in scaffolding:
intersecting = all(grid[neighbor] == '#'
for neighbor in scaffold.neighbors())
if intersecting:
result += scaffold.x * scaffold.y
print("Part 1:", result)
def part2(self):
self.computer.reset()
self.computer.ram[0] = 2
self.computer.run()
self.computer.output_str()
self.computer.input_str("B,C,B,C,A,B,C,A,B,A\n")
self.computer.output_str()
self.computer.input_str("R,6,L,8,L,10,R,6\n")
self.computer.output_str()
self.computer.input_str("R,6,L,6,L,10\n")
self.computer.output_str()
self.computer.input_str("L,8,L,6,L,10,L,6\n")
self.computer.output_str()
self.computer.input_str("n\n")
map_string = self.computer.output_str()
grid = Grid.from_str(map_string)
result = self.computer.output()
print("Part 2:", result)
def __init__(self, file_name):
lines = Input(file_name).lines()
self.grid: Grid[str] = Grid(50, 6)
self.grid.fill(' ')
for line in lines:
if (matched := re.match(r'rect (\d+)x(\d+)', line)) is not None:
columns = int(matched.group(1))
rows = int(matched.group(2))
for row in range(rows):
for col in range(columns):
self.grid[col, row] = '#'
elif (matched := re.match(r'rotate row y=(\d+) by (\d+)',
line)) is not None:
row_index = int(matched.group(1))
amount = int(matched.group(2))
row = []
for i in range(self.grid.width):
row.append(self.grid[i, row_index])
for i in range(self.grid.width):
self.grid[(amount + i) % self.grid.width,
row_index] = row[i]
def __init__(self, file_name):
self.grid = Grid.from_str(Input(file_name).lines())
def __init__(self, file_name):
groups = Input(file_name).grouped()
self._enhancement = groups[0][0]
self._grid = Grid.from_str(groups[1])
def grid(self) -> Grid[str]:
return Grid.from_str(self.lines())
def __init__(self, file_name):
lines = Input(file_name).lines()
self.grid = Grid.from_str(lines)
self._fill_tunnels()
def __init__(self, file_name):
self.grid = Grid.from_str(Input(file_name).lines())
self.portals = self._get_portals()