def run_amps_feedback(memory, preset: list):
amplifierA = ic.IntCode('A', memory, [preset[0]])
amplifierB = ic.IntCode('B', memory, [preset[1]])
amplifierC = ic.IntCode('C', memory, [preset[2]])
amplifierD = ic.IntCode('D', memory, [preset[3]])
amplifierE = ic.IntCode('E', memory, [preset[4]])
amp_list = [amplifierA, amplifierB, amplifierC, amplifierD, amplifierE]
# Initialize all 5 amplifiers by feeding them their phase codes and jumping them
amp_list[0].executeIntCode()
amp_list[1].executeIntCode()
amp_list[2].executeIntCode()
amp_list[3].executeIntCode()
amp_list[4].executeIntCode()
amplifiers_cycle = cycle(amp_list)
amplitude = 0
# Primary amplification loop
for amp in amplifiers_cycle:
if amp.mem[amp.pointerAddress] == 99:
break
amp.writeRam(amplitude)
amp.executeIntCode()
amplitude = amp.readRam()
return amplitude
def test_samples(self):
"""Test Intcode object with samples from problem description"""
# 1. 1,0,0,0,99 becomes 2,0,0,0,99 (1 + 1 = 2)
mycode = intcode.IntCode(text='1,0,0,0,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.positions, [2, 0, 0, 0, 99])
# 2. 2,3,0,3,99 becomes 2,3,0,6,99 (3 * 2 = 6)
mycode = intcode.IntCode(text='2,3,0,3,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.positions, [2, 3, 0, 6, 99])
# 3. 2,4,4,5,99,0 becomes 2,4,4,5,99,9801 (99 * 99 = 9801)
mycode = intcode.IntCode(text='2,4,4,5,99,0')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.positions, [2, 4, 4, 5, 99, 9801])
# 4. 1,1,1,4,99,5,6,0,99 becomes 30,1,1,4,2,5,6,0,99
mycode = intcode.IntCode(text='1,1,1,4,99,5,6,0,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.positions, [30, 1, 1, 4, 2, 5, 6, 0, 99])
# 5. 1,9,10,3,2,3,11,0,99,30,40,50 becomes 3500,9,10,70,2,3,11,0,99,30,40,50
mycode = intcode.IntCode(text='1,9,10,3,2,3,11,0,99,30,40,50')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.positions,
[3500, 9, 10, 70, 2, 3, 11, 0, 99, 30, 40, 50])
def part2(filename):
with open(filename) as f:
inputs = list(map(int, f.readline().split(',')))
perms = list(permutations(range(5, 10)))
hsignal = 0
for perm in perms:
ic0 = intcode.IntCode(list(inputs), 0, 0)
ic0.process([perm[0], 0])
ic1 = intcode.IntCode(list(inputs), 0, 0)
ic1.process([perm[1]] + ic0.outputs)
ic2 = intcode.IntCode(list(inputs), 0, 0)
ic2.process([perm[2]] + ic1.outputs)
ic3 = intcode.IntCode(list(inputs), 0, 0)
ic3.process([perm[3]] + ic2.outputs)
ic4 = intcode.IntCode(list(inputs), 0, 0)
ic4.process([perm[4]] + ic3.outputs)
while True:
if ic4.completed:
if hsignal < ic4.outputs[-1]: hsignal = ic4.outputs[-1]
break
ic0.resume()
ic0.process(ic4.outputs)
ic1.resume()
ic1.process(ic0.outputs)
ic2.resume()
ic2.process(ic1.outputs)
ic3.resume()
ic3.process(ic2.outputs)
ic4.resume()
ic4.process(ic3.outputs)
print(f"part2 >>> highest signal for thrusters {hsignal}")
def __init__(self, prog, h, w):
self.computer = intcode.IntCode(prog)
self.screen = [[0 for i in range(w)] for i in range(h)]
self.score = 0
self.game_over = False
self.init = True
self.paddle_x = 0
def __init__(self, prog):
self.direction = 0
self.outputs = [0, 0]
self.brain = intcode.IntCode(prog, [1 for i in range(100)])
self.white = set()
self.black = set()
self.loc = (0, 0)
def fb_run(self, phase=0, inp=0):
"Return the status and output of running the amplifier with inputs phase and inp"
# 1. Create a computer with the program from text (if not already created)
if self.computer is None:
self.computer = intcode.IntCode(text=self.text)
inp = [phase, inp]
else:
inp = [inp]
# 3. Run the computer with inputs
#print("Running computer with input = %s, counter=%s" % (inp, self.computer.counter))
result = self.computer.run(inp=inp)
# 4. Make sure it ended with a halt instruction or input instruction
if result not in (intcode.STOP_HLT, intcode.STOP_INP):
print("amplifier %s input=%s ended with %d" % (self.letter, inp, result))
return None
# 5. Return the result and output
output = self.computer.outputs()
if len(output) != 1:
print("amplifier %s input=%s ended produced %d outputs" %
(self.letter, inp, len(output)))
return None
return (result, output[0])
def main():
with open("input.txt") as f:
content = f.read()
program = list(map(lambda x: int(x), content.split(",")))
computer = intcode.IntCode(intcode.InputProvider(), intcode.OutputSink())
computer.run_to_completion(program)
def check_loc(self, col, row):
"Check a location, dispathing a drone if necessary"
# 1. If we already know what happens at a location, just return it
if (col, row) in self.beam_map:
#print("(%d,%d) already mapped as %d" % (col, row, self.beam_map[(col, row)]))
return self.beam_map[(col, row)]
# 2. Build a new drone
#print("Building a drone to check (%d,%d)" % (col, row))
uav = intcode.IntCode(text=self.program)
self.drones += 1
# 3. Run the drone with this input
result = uav.run(inp=([col, row]))
if result != intcode.STOP_HLT:
print("drone stopped with %d for (%d,%d)" % (result, col, row))
return 0
# 4. Get the beam effect at this point
output = uav.outputs()[0]
# 5. Record the output
self.beam_map[(col, row)] = output
self.points += output
# 6. Return output (0 if no beam, 1 if beam)
return output
def test_challenge_coin(self):
"""Test Intcode with the 2019 Advent of Code Novetta challenge coin"""
mycode = intcode.IntCode(text='9,7,20201,0,31,0,4,30,101,-1,7,7,109,-1,1206,0,31,1005,8,2,0,16,16,12,-33,-34,2,8,6,-23,-64,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
out = mycode.outputs()
self.assertEqual(out, [35, 76, 105, 107, 101, 65, 66, 111, 115, 115])
self.assertEqual(''.join([chr(_) for _ in out]), '#LikeABoss')
def __init__(self, prog):
self.brain = intcode.IntCode(prog)
self.done = False
self.loc = (0, 0)
self.traversed = set()
self.wall = set()
self.shortest_path_traversed = set()
def amp_thread(n, a):
nonlocal inputs
nonlocal results
mach = intcode.IntCode(program)
inpos = 0
next = (n + 1) % 5
def input_fn():
nonlocal inpos
nonlocal conds
# print(f'Mach {n} asking for input')
with conds[n]:
if inpos >= len(inputs[n]):
conds[n].wait()
val = inputs[n][inpos]
inpos += 1
# print(f'Mach {n} getting input {val}')
return val
def output_fn(v):
nonlocal inputs
# print(f'Mach {n} producing output {v}')
with conds[next]:
inputs[next] += [v]
conds[next].notify()
mach.run(input_fn, output_fn)
results[n] = mach.output[-1]
def part_one(args, input_lines):
"Process part one of the puzzle"
# 1. Create the computer
computer = intcode.IntCode(text=input_lines[0])
# 2. Get the maximum of the amplifiers without feedback
halted = computer.run(watch=args.verbose, inp=[1])
if halted != intcode.STOP_HLT:
print("Computer stopped unexpectively, reason = %d" % (halted))
solution = None
else:
solution = computer.outputs()
if len(solution) == 0:
print("No output")
solution = None
elif len(solution) > 1:
print("Problems with opcodes %s" % (solution))
solution = None
else:
print("BOOST keycode = %d" % (solution[0]))
if not solution:
print("Unable to determine best output")
# 3. Return result
return solution is not None
def try_settings_part2(self, settings):
connections = []
for i in range(0, 5):
connection = AmpConnection("Amp" + str(i))
connection.queue.append(settings[i])
connections.append(connection)
connections[0].queue.append(0)
computers = []
for i in range(0, 5):
inputConnection = connections[i]
if i + 1 < len(connections):
outputConnection = connections[i + 1]
else:
outputConnection = connections[0]
print(
f"Connecting computer '{i}, input: '{inputConnection.name}', output: '{outputConnection.name}'"
)
computer = intcode.IntCode(inputConnection, outputConnection)
computers.append(computer)
threads = []
for c in computers:
threads.append(ComputerThread(c, self.program))
for t in threads:
t.start()
for t in threads:
t.join()
return connections[0].queue.pop()
def test_2(self):
input = [1102, 34915192, 34915192, 7, 4, 7, 99, 0]
output_sink = TestOutputSink()
computer = intcode.IntCode(TestInputProvider(0), output_sink)
computer.run_to_completion(input)
strOutput = str(output_sink.output[0])
self.assertEqual(16, len(strOutput))
def part2(filename):
with open(filename) as f:
inputs = [int(l) for l in f.readline().split(',')]
# expand the list of inputs because to avoid index-out-of-range
inputs.extend([0]*1000)
ic = intcode.IntCode(list(inputs), 0, 0)
p = Point(0, 0)
panels = {p: White}
d = Directions[0]
while not ic.completed:
c = panels[p] if p in panels else Black
ic.process([c])
panels[p] = ic.outputs[0]
dix = (d + 3) % 4 if ic.outputs[1] == Black else (d + 1) % 4
d = Directions[dix]
p = movpoint(p, d)
ic.resume()
mx = abs(list(map(max, zip(*panels.keys())))[0])+1
my = abs(list(map(min, zip(*panels.keys())))[1])+1
screen = [[0 for x in range(mx)] for y in range(my)]
for (x, y), v in panels.items():
screen[abs(y)][abs(x)] = v
[print(' '.join([' ' if i == 0 else '#' for i in line])) for line in screen]
def part_two(args, input_lines):
"Process part two of the puzzle"
# 1. Create the computer
computer = intcode.IntCode(text=input_lines[0])
# 2. Get the maximum of the amplifiers without feedback
halted = computer.run(watch=args.verbose, inp=[2])
if halted != intcode.STOP_HLT:
print("Computer stopped unexpectively, reason = %d" % (halted))
solution = None
else:
solution = computer.outputs()
if len(solution) == 0:
print("No output")
solution = None
elif len(solution) > 1:
print("Unexpected multiple output %s" % (solution))
solution = None
else:
print("Coordinates of the distress signal = %d" % (solution[0]))
if not solution:
print("Unable to coordinates of the distress signal")
# 3. Return result
return solution is not None
def nic_thread(n):
mach = intcode.IntCode(program)
inpos = 0
output = []
def input_fn():
global queues
nonlocal inpos
# print(f'Mach {n} asking for input')
if inpos < len(queues[n]):
val = queues[n][inpos]
inpos += 1
else:
val = -1
return val
def output_fn(v):
global queues
nonlocal output
# print(f'Mach {n} producing output {v}')
output += [v]
if len(output) == 3:
# complete packet
dest = output[0]
if dest == 255:
print('Packet to 255:', output[1], output[2])
import sys
sys.exit(0)
if dest not in queues:
queues[dest] = []
queues[dest] += output[1:]
print(f'Mach {n} sends packet to {dest}: {output[1:]}')
output = []
mach.run(input_fn, output_fn)
def part1(filename):
with open(filename) as f:
inputs = list(map(int, f.readline().split(',')))
inputs += [0] * 2500
ic = intcode.IntCode(inputs, 0, 0)
ic.process([1])
print(f"part1 >>> test mode: 1, boost keycode: {ic.outputs}")
def test_sensor_boost(self):
"""Test Intcode object with samples from day 9"""
# 1. Takes no input and produces a copy of itself as output.
mycode = intcode.IntCode(text='109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.outputs(), [109, 1, 204, -1, 1001, 100, 1, 100, 1008, 100, 16, 101, 1006, 101, 0, 99])
# 2. 1102,34915192,34915192,7,4,7,99,0 should output a 16-digit number.
mycode = intcode.IntCode(text='1102,34915192,34915192,7,4,7,99,0')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.outputs(), [1219070632396864])
# 3. 104,1125899906842624,99 should output the large number in the middle.
mycode = intcode.IntCode(text='104,1125899906842624,99')
self.assertEqual(mycode.run(), intcode.STOP_HLT)
self.assertEqual(mycode.outputs(), [1125899906842624])
def boost(codes):
computer = intcode.IntCode(codes)
outputs = run_program(computer, [2])
if outputs is None or len(outputs) > 1:
print('Error: invalid output', output)
return None
return outputs[0]
def __init__(self, text=None):
# 1. Set the initial values
self.computer = intcode.IntCode(text=text)
self.out = None
self.inp = None
self.items = None
self.carrying = None
self.attempting = 256
def test_1(self):
input = [
109, 1, 204, -1, 1001, 100, 1, 100, 1008, 100, 16, 101, 1006, 101,
0, 99
]
output_sink = TestOutputSink()
computer = intcode.IntCode(TestInputProvider(0), output_sink)
computer.run_to_completion(input)
self.assertSequenceEqual(input, output_sink.output)
def test(codes):
computer = intcode.IntCode(codes)
outputs = run_program(computer, [1])
if outputs is None or len(outputs) > 1:
print('Error: invalid op codes', outputs[:-1])
return None
return outputs[0]
def part1(code):
program = intcode.IntCode(code)
blocks = 0
while not program.halted:
program.run()
program.run()
blocktype = program.run()
blocks += blocktype == 2
return blocks
def run_boost(in_val):
code = day9_input()
out_queue = queue.Queue()
prg = intcode.IntCode(code)
prg.output = lambda x: out_queue.put(x)
prg.input.put(in_val)
prg.run()
while not out_queue.empty():
print(f'OUT: {out_queue.get()}')
def part1(filename):
with open(filename) as f:
codes = [int(i) for i in f.readline().split(',')]
ncodes = list(codes)
ncodes[1] = 12
ncodes[2] = 2
ic = intcode.IntCode(ncodes, 0, 0)
ic.process([])
print(f"part1 >>> code 0@{ic.inputs[0]}")
def __init__(self, origin=(0, 0), text=None):
# 1. Set the initial values
self.origin = (0, 0)
self.state = STATE_SEARCHING
self.computer = intcode.IntCode(text=text)
self.ship = ship.Ship()
self.loc = origin
self.next_cmd = MOVE_NORTH
self.oxygen = None
def part1(filename):
with open(filename) as f:
inputs = list(map(int, f.readline().split(',')))
perms = list(permutations(range(0, 5)))
hsignal = 0
for perm in perms:
ic0 = intcode.IntCode(list(inputs), 0, 0)
ic0.process([perm[0], 0])
ic1 = intcode.IntCode(list(inputs), 0, 0)
ic1.process([perm[1]] + ic0.outputs)
ic2 = intcode.IntCode(list(inputs), 0, 0)
ic2.process([perm[2]] + ic1.outputs)
ic3 = intcode.IntCode(list(inputs), 0, 0)
ic3.process([perm[3]] + ic2.outputs)
ic4 = intcode.IntCode(list(inputs), 0, 0)
ic4.process([perm[4]] + ic3.outputs)
if hsignal < ic4.outputs[-1]: hsignal = ic4.outputs[-1]
print(f"part1 >>> highest signal for thrusters {hsignal}")
async def _run_amps_with_feedback(self, permutation, raw_code):
amp_a = intcode.IntCode(raw_code)
amp_b = intcode.IntCode(raw_code, amp_a.output_queue)
amp_c = intcode.IntCode(raw_code, amp_b.output_queue)
amp_d = intcode.IntCode(raw_code, amp_c.output_queue)
amp_e = intcode.IntCode(raw_code, amp_d.output_queue)
amp_a.input_queue = amp_e.output_queue
await amp_a.input_queue.put(permutation[0])
await amp_a.input_queue.put(0)
await amp_b.input_queue.put(permutation[1])
await amp_c.input_queue.put(permutation[2])
await amp_d.input_queue.put(permutation[3])
await amp_e.input_queue.put(permutation[4])
output = await asyncio.gather(*(amp.run()
for amp in (amp_a, amp_b, amp_c, amp_d,
amp_e)))
return output[-1]
async def _run_amps(self, permutation, raw_code):
amp_a = intcode.IntCode(raw_code)
amp_b = intcode.IntCode(raw_code, amp_a.output_queue)
amp_c = intcode.IntCode(raw_code, amp_b.output_queue)
amp_d = intcode.IntCode(raw_code, amp_c.output_queue)
amp_e = intcode.IntCode(raw_code, amp_d.output_queue)
amp_a.input_queue = asyncio.Queue()
await amp_a.input_queue.put(permutation[0])
await amp_a.input_queue.put(0)
await amp_b.input_queue.put(permutation[1])
await amp_c.input_queue.put(permutation[2])
await amp_d.input_queue.put(permutation[3])
await amp_e.input_queue.put(permutation[4])
await amp_a.run()
await amp_b.run()
await amp_c.run()
await amp_d.run()
return await amp_e.run()
