def solve_part_one():
program = [int(d) for d in read_file_lines("day_07.txt")[0].split(',')]
phase_sequence = [0, 1, 2, 3, 4]
max_thruster_signal = 0
for perm_sequence in itertools.permutations(phase_sequence):
signal = thruster_signal(program.copy(), list(perm_sequence))
if signal > max_thruster_signal:
max_thruster_signal = signal
return max_thruster_signal
def solve_part_2():
program = [int(n) for n in read_file_lines("day_02.txt")[0].split(',')]
for noun in range(0, 100):
for verb in range(0, 100):
program[1] = noun
program[2] = verb
if process_program(program.copy())[0] == 19690720:
return 100 * noun + verb
def solve_part_one():
data = [int(d) for d in read_file_lines("day_08.txt")[0]]
image = WireImage(data, 25, 6)
best_ones = 0
best_twos = 0
min_zeroes = 25 * 6
for layer_n in range(image.num_layers):
layer = image.get_layer(layer_n)
zeroes = 0
ones = 0
twos = 0
for d in layer:
if d == 0:
zeroes += 1
elif d == 1:
ones += 1
elif d == 2:
twos += 1
if zeroes < min_zeroes:
min_zeroes = zeroes
best_ones = ones
best_twos = twos
return best_ones * best_twos
def solve_part_two():
orbit_map = build_map(read_file_lines("day_06.txt"))
path_you = build_path(orbit_map, "YOU")
path_san = build_path(orbit_map, "SAN")
return find_transfers(path_you, path_san)
def solve_part_one():
return count_orbits(build_map(read_file_lines("day_06.txt")))
def solve_part_one():
program = [int(n) for n in read_file_lines("day_05.txt")[0].split(',')]
return process_program(program, [1])
def solve_part_2():
lines = read_file_lines("day_03.txt")
return lowest_steps_to_intersection(lines[0], lines[1])
def solve_part_1():
lines = read_file_lines("day_03.txt")
return dist_to_closest_intersection(lines[0], lines[1])
def solve_part_1():
program = [int(n) for n in read_file_lines("day_02.txt")[0].split(',')]
program[1] = 12
program[2] = 2
return process_program(program)
def solve_part_two():
program = [int(d) for d in read_file_lines("day_09.txt")[0].split(',')]
return get_output(program, 2)
def solve_part_two():
data = [int(d) for d in read_file_lines("day_08.txt")[0]]
image = WireImage(data, 25, 6)
image.print_image()
return image.decode_image()