def test_toboggan_run(self):
input_file = 'day03-test.txt'
matrix = read_matrix(input_file, str)
t = Toboggan(matrix)
t.run(3, 1)
self.assertEqual(len(t.collisions), 7)
def part1(f: str) -> int:
seat_matrix = common.read_matrix(f, str)
count: int = 0
while True:
previous_matrix = copy.deepcopy(seat_matrix)
seat_matrix = do_round(seat_matrix)
if common.matrix_equal(previous_matrix, seat_matrix):
break
count += 1
print(f'Rounds: {count}')
ret: int = common.count_in_matrix(seat_matrix, SeatType.OCCUPIED)
return ret
x = self.cur_pos_x % self.matrix_width
return self.matrix[self.cur_pos_y][x]
def run(self, slope_x: int, slope_y: int):
while self.cur_pos_y < self.matrix_height - 1:
self.increment_position(slope_x, slope_y)
if self.check_position_value() == '#':
self.collisions.append((self.cur_pos_x, self.cur_pos_y))
def count_collisions(self) -> int:
return len(self.collisions)
if __name__ == "__main__":
input_file = 'day03.txt'
matrix = read_matrix(input_file, str)
# Part 1
t = Toboggan(matrix)
t.run(3, 1)
print(f'Answer 1: {t.count_collisions()}')
# Part 2
slopes = [(1, 1), (3, 1), (5, 1), (7, 1), (1, 2)]
num_collisions = []
for slope in slopes:
t = Toboggan(matrix)
t.run(slope[0], slope[1])
num_collisions.append(t.count_collisions())
return count
def do_round(self):
new_coordinates = self.coordinates.copy()
# overriding the iterator here to try and not have the defaultdict not change the size during run
for coordinate, state in tuple(self.coordinates.items()):
active_neighbors: int = self.check_neighbors(coordinate)
if state == ACTIVE and 2 <= active_neighbors <= 3:
# cube remains active
continue
elif state == ACTIVE and not 2 <= active_neighbors <= 3:
new_coordinates[coordinate] = INACTIVE
elif state == INACTIVE and active_neighbors == 2:
new_coordinates[coordinate] = ACTIVE
self.coordinates = new_coordinates
if __name__ == '__main__':
puzzle_input = common.read_matrix('day17-test.txt', str)
cube = ConwayCube(puzzle_input)
for turn in range(0, 7):
cube.do_round()
print('Active: ', cube.count_type(ACTIVE))
print('Inactive: ', cube.count_type(INACTIVE))
print('New: ', cube.count_type(NEWCOOR))