def main():
# part 1
memory_ = numpy.loadtxt('day11\input.txt',
delimiter=',',
dtype=numpy.int64)
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.background_exec()
(x, y) = (0, 0)
panels = defaultdict(lambda: BLACK)
facing = up
loop_count = 0
panels[(x, y)] = BLACK
while (not cpu.done): # and (len(panels) < 400):
#print(f'input: {panels[(x,y)]}')
loop_count += 1
if not loop_count % 1000:
print(loop_count)
try:
cpu.queue_input(panels[(x, y)])
color = cpu.get_output(block=True)
#print(f'{color}')
direction = cpu.get_output(block=True)
#print(f'{direction}')
except Halted:
print('Program done')
break
panels[(x, y)] = color
# rotate
facing = facing.rotate(direction)
# move forward
if facing is up:
y -= 1
elif facing is right:
x += 1
elif facing is down:
y += 1
elif facing is left:
x -= 1
#print(f'Part 1: {len(panels)}')
min_x = min(panels, key=lambda p: p[0])[0]
max_x = max(panels, key=lambda p: p[0])[0]
min_y = min(panels, key=lambda p: p[1])[1]
max_y = max(panels, key=lambda p: p[1])[1]
img = numpy.zeros((max_y + 1 - min_y, max_x + 1 - min_x),
dtype=numpy.uint8)
for (panel, color) in panels.items():
img[panel[1], panel[0]] = color
#plt.imshow(img)
#plt.show()
print(panels)
def main():
# part 1
memory_ = numpy.loadtxt(r'day17\input.txt',
delimiter=',',
dtype=numpy.int64)
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.background_exec()
grid = defaultdict(lambda: ord('.'))
(x, y) = (0, 0)
bot_loc = (0, 0)
while True:
try:
val = cpu.get_output(block=True)
if val == 10:
# new row
x = 0
y += 1
#print_grid(grid)
continue
if val == ord('^'):
bot_loc = (x, y)
grid[(x, y)] = val
x += 1
except Halted:
print('Program Halted')
break
print(f'Part 1: {sum( x*y for (x,y) in find_intersections(grid))}')
### part 2:
sub_a = 'R,8,L,4,R,4,R,10,R,8\n'
sub_b = 'L,12,L,12,R,8,R,8\n'
sub_c = 'R,10,R,4,R,4\n'
main_routine = 'A,A,B,C,B,C,B,C,C,A\n'
memory = numpy.array(memory_, copy=True)
memory[0] = 2 # set to override mode
cpu = CPU(memory)
# queue inputs
for c in main_routine + sub_a + sub_b + sub_c + 'n\n':
cpu.queue_input(ord(c))
# run
cpu.exec()
while True:
try:
space_dust = cpu.get_output()
except (Empty, Halted):
break
print(f'Part 2: {space_dust}')
def main():
# part 1
memory_ = numpy.loadtxt('day13\input.txt',
delimiter=',',
dtype=numpy.int64)
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.background_exec()
screen = defaultdict(lambda: 0)
while True:
try:
x = cpu.get_output(block=True)
y = cpu.get_output(block=True)
val = cpu.get_output(block=True)
screen[(x, y)] = val
print(f'({x}, {y}) {val}')
except Halted:
print('halted')
break
blocks = len([i for i in screen.values() if i == BLOCK])
print(f'Part 1: {blocks}')
memory = numpy.array(memory_, copy=True)
memory[0] = 2
# hack to make paddle the whole width
memory[1608:1652] = 3
cpu = CPU(memory)
for i in range(10000):
cpu.queue_input(0)
screen = defaultdict(lambda: 0)
cpu.background_exec()
score = 0
while True:
try:
x = cpu.get_output(block=True)
y = cpu.get_output(block=True)
val = cpu.get_output(block=True)
if (x == -1) and (y == 0):
score = val
#screen[(x,y)] = val
#print(f'({x}, {y}) {val}')
except Halted:
print('halted')
break
print(f'Part 2: {score}')
def main():
# part 1
memory_ = numpy.loadtxt('day15\input.txt', delimiter=',', dtype=numpy.int64)
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.background_exec()
maze = defaultdict(int)
(x, y) = (0, 0)
facing = N
left = None
right = None
fwd = None
maze[(x, y)] = EMPTY
root_node = MazeNode()
root_thread = threading.Thread(target=maze_worker, args=(cpu, facing, maze, root_node, (x, y)))
root_thread.start()
first = True
if do_plot:
while True:
task = plot_q.get()
if task:
args, kwargs = task
plt.imshow(*args, **kwargs)
#plt.pause(0.0001)
if first:
plt.show(block=False)
first == False
else:
plt.draw()
time.sleep(0)
else:
break
print('plot kill')
root_thread.join()
test = target_node
steps = 0
while test:
steps += test.length
test = test.parent
print(f'part 1: {steps}')
plot(maze, 0, 0, show=True)
print(target_node)
### part 2
print(f'Part 2: {fill_up(target_node)}')
def y2021_d7():
print('2021 Day 7 Easter Egg: run input as intcode program')
memory_ = numpy.loadtxt('y2021\day7\input.txt',
delimiter=',',
dtype=numpy.int64)
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.background_exec()
try:
while True:
print(chr(cpu.get_output(block=True)), end='')
except Halted:
pass
print('\nDone')