def test_pad(self, x, y, expected_corners):
board = Board.from_string("abcd\nefgh\nijkl\nmnop\n", fill_value=".")
view = board.adjacent_view(x, y)
padded = pad(view, x, y, board.grid)
assert padded.shape == (3, 3)
assert padded[0, 0] == expected_corners[0]
assert padded[-1, 0] == expected_corners[1]
assert padded[0, -1] == expected_corners[2]
assert padded[-1, -1] == expected_corners[3]
def part1():
with open(get_input_name(24, 2019)) as fobj:
char_board = Board.from_string(fobj.read().strip())
board = char_board.grid == "#"
gol = GoL(board)
while not gol.duplicate():
gol.step()
bd_points = (2 ** np.arange(25))
points = bd_points * gol._board.flatten()
print("This board has a biodiversity of {}".format(np.sum(points)))
def load2(fobj):
board = Board.from_string(fobj.read(),
fill_value=0,
dtype=int,
growable=False)
g = board.grid
g = np.tile(g, (5, 5))
overlay = np.repeat(np.arange(5), board.size_x)
overlay = overlay + overlay.reshape((overlay.shape[0], 1))
m = np.ma.asarray(g + overlay)
m.mask = m <= 9
m = m - 9
board.grid = m.data
return make_graph(board)
def load():
tiles = []
with open(get_input_name(20, 2020)) as fobj:
lines = deque(fobj.read().splitlines(keepends=False))
while lines:
title = lines.popleft()
input = []
for _ in range(10):
input.append(lines.popleft())
board = Board.from_string("\n".join(input))
grid = board.grid
edges, grid = collect_edges(grid)
grid = np.flipud(grid)
flipped, grid = collect_edges(grid)
tiles.append(Tile(title, edges, flipped))
lines.popleft()
return tiles
def load(fobj):
return Board.from_string(fobj.read(),
fill_value=0,
dtype=int,
growable=False)
def capture_camera(intcode):
chars = []
intcode.execute(output_func=chars.append)
board = Board.from_string("".join(chr(c) for c in chars))
return board
9,0
fold along y=7
fold along x=5
""")
INITIAL_BOARD = Board.from_string("""\
00010010010
00001000000
00000000000
10000000000
00010000101
00000000000
00000000000
00000000000
00000000000
00000000000
01000010110
00001000000
00000010001
10000000000
10100000000
""",
fill_value=0,
dtype=int,
growable=False)
PART1_RESULT = 17
class TestDec13():
@pytest.fixture
def make_board(string):
char_board = Board.from_string(string)
return char_board.grid == "#"
def load1(fobj):
board = Board.from_string(fobj.read(),
fill_value=0,
dtype=int,
growable=False)
return make_graph(board)
def load():
with open(get_input_name(3, 2020)) as fobj:
return Board.from_string(fobj.read())
import pytest
from ibidem.advent_of_code.board import Board
from ..dec17 import get_intersections, calculate_alignments
SMALL_MAP = textwrap.dedent("""\
..#..........
..#..........
#######...###
#.#...#...#.#
#############
..#...#...#..
..#####...^..
""")
@pytest.mark.parametrize("board, intersections",
((Board.from_string(SMALL_MAP), {(2, 2), (2, 4),
(6, 4), (10, 4)}), ))
def test_get_intersections(board, intersections):
actual = set(get_intersections(board))
assert actual == intersections
@pytest.mark.parametrize("intersections, result", (({(2, 2), (2, 4), (6, 4),
(10, 4)}, 76), ))
def test_aligments(intersections, result):
actual = calculate_alignments(intersections)
assert actual == result
def load(fobj):
algo_str = fobj.readline().strip()
fobj.readline()
board = Board.from_string(fobj.read(), fill_value=".")
board.grid = np.pad(board.grid, ((9, 9), (9, 9)), mode="constant", constant_values=".")
return algo_str, board
def load():
with open(get_input_name(3, 2021)) as fobj:
return Board.from_string(fobj.read(), fill_value=0, dtype=np.int_)
