Anders Englöf Ytterström
f98545ae5a
Bugs discovered in intcode: - Relative base was reset on await input suspend. - No handling for incorrect intcodes. - State was sometimes corrupted when resumed after suspend. Fixed and Patched in 0.3.2
65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
from collections import defaultdict
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from itertools import permutations
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from output import answer, puzzleinput
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from output.intcode_computer import execute, parse
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n = 7
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title = "Amplification Circuit"
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@puzzleinput(n)
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def parse_input(data):
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return parse(data)
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@answer(
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1,
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"[intcode 0.3.0] The highest achievable signal to the thruster is {}",
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)
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def part_1(program):
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thruster_signals = []
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for settings in map(list, permutations(range(5))):
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o = 0
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for ps in settings:
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_code, _state, _n, _rb, so = execute(program, stdin=[ps, o])
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o = so.pop(0)
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thruster_signals.append(o)
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return max(thruster_signals)
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@answer(
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2,
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"[intcode 0.3.0] By creating a feedback loop, the highest achievable signal to the thruster is {}",
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)
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def part_2(program):
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thruster_signals = []
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for settings in map(list, permutations(range(5, 10))):
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o = [0]
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finished = set()
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paused = defaultdict(tuple)
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while len(finished) < 5:
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for amp, ps in enumerate(settings):
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if paused[amp]:
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program, resume_at = paused[amp]
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del paused[amp]
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code, state, n, _rb, so = execute(program, stdin=o, n=resume_at)
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else:
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code, state, n, _rb, so = execute(program, stdin=[ps, *o])
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if code == 3:
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paused[amp] = (
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list(state.values()),
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n,
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)
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o = so
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if code == 99:
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finished.add(amp)
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o = so
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thruster_signals.append(o[-1])
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return max(thruster_signals)
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if __name__ == "__main__":
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parsed = parse_input()
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part_1(parsed)
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part_2(parsed)
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