def main():
# part 1
memory_ = numpy.loadtxt('day9\input.txt', delimiter=',', dtype=numpy.int64)
#memory_ = numpy.fromstring('1102,34915192,34915192,7,4,7,99,0', sep=',', dtype=numpy.int64)
#memory_ = numpy.fromstring('104,1125899906842624,99', sep=',', dtype=numpy.int64)
#memory_ = numpy.fromstring('109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99', sep=',', dtype=numpy.int64)
### Part 1
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.queue_input(1)
cpu.exec()
print(f'Part 1 output:')
try:
while True:
print(str(cpu.get_output(False)) + ' ', )
except Halted:
print('done')
### Part 2
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.queue_input(2)
cpu.exec()
print(f'Part 2 output:')
try:
while True:
print(str(cpu.get_output(False)) + ' ', )
except Halted:
print('done')
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 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')
def main():
# part 1
memory_ = numpy.loadtxt('day7\input.txt', delimiter=',', dtype=numpy.int64)
##memory_ = numpy.fromstring('3,15,3,16,1002,16,10,16,1,16,15,15,4,15,99,0,0', sep=',', dtype=numpy.int64)
##memory_ = numpy.fromstring('3,23,3,24,1002,24,10,24,1002,23,-1,23,101,5,23,23,1,24,23,23,4,23,99,0,0', sep=',', dtype=numpy.int64)
max_out = None
max_seq = None
for phase_seq in itertools.permutations(range(5), 5):
last_output = 0
for phase in phase_seq:
memory = numpy.array(memory_, copy=True)
cpu = CPU(memory)
cpu.queue_input(phase)
cpu.queue_input(last_output)
cpu.exec()
last_output = cpu.get_output()
if not max_out or (last_output > max_out):
max_out = last_output
max_seq = phase_seq
print(f'Part 1: Max: {max_out}')
print(f'Part 1: Max Seq: {max_seq}')
# 3,26,1001,26,-4,26,3,27,1002,27,2,27,1,27,26,27,4,27,1001,28,-1,28,1005,28,6,99,0,0,5
# part 2
#memory_ = numpy.fromstring('3,26,1001,26,-4,26,3,27,1002,27,2,27,1,27,26,27,4,27,1001,28,-1,28,1005,28,6,99,0,0,5', sep=',', dtype=numpy.int64)
max_out = None
max_seq = None
for phase_seq in itertools.permutations(range(5, 10), 5):
cpu_a = CPU(numpy.array(memory_, copy=True), input_block=True)
cpu_b = CPU(numpy.array(memory_, copy=True),
input_block=True,
input_q=cpu_a.output_q)
cpu_c = CPU(numpy.array(memory_, copy=True),
input_block=True,
input_q=cpu_b.output_q)
cpu_d = CPU(numpy.array(memory_, copy=True),
input_block=True,
input_q=cpu_c.output_q)
cpu_e = CPU(numpy.array(memory_, copy=True),
input_block=True,
input_q=cpu_d.output_q)
cpu_a.input_q = cpu_e.output_q
cpu_a.queue_input(phase_seq[0])
cpu_a.queue_input(0)
cpu_b.queue_input(phase_seq[1])
cpu_c.queue_input(phase_seq[2])
cpu_d.queue_input(phase_seq[3])
cpu_e.queue_input(phase_seq[4])
# start CPU's in threads
a_thread = threading.Thread(target=cpu_a.exec)
b_thread = threading.Thread(target=cpu_b.exec)
c_thread = threading.Thread(target=cpu_c.exec)
d_thread = threading.Thread(target=cpu_d.exec)
e_thread = threading.Thread(target=cpu_e.exec)
a_thread.start()
b_thread.start()
c_thread.start()
d_thread.start()
e_thread.start()
e_thread.join()
last_output = cpu_e.get_output()
if not max_out or (last_output > max_out):
max_out = last_output
max_seq = phase_seq
print(f'Part 2 max out: {max_out}')