73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
import itertools
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from aoc import AOCDay
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from intcode import IntCode
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from typing import Any, List
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def get_comps(memory: List[int]) -> List[IntCode]:
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comps = []
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for _ in range(5):
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comps.append(IntCode(memory.copy()))
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return comps
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class Day(AOCDay):
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test_solutions_p1 = [43210, 54321, 65210]
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test_solutions_p2 = [139629729, 18216]
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def part1(self) -> Any:
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init_memory = self.getInputAsArraySplit(",", int)
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max_signal = 0
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phase_settings = [0, 1, 2, 3, 4]
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for s in itertools.permutations(phase_settings):
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comps = get_comps(init_memory)
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for i, input1 in enumerate(s):
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if i == 0:
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input2 = 0
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else:
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input2 = comps[i-1].getOutput()
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comps[i].addInput(input1)
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comps[i].addInput(input2)
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comps[i].run()
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signal = comps[4].getOutput()
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if signal > max_signal:
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max_signal = signal
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return max_signal
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def part2(self) -> Any:
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init_memory = self.getInputAsArraySplit(",", int)
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max_signal = 0
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phase_settings = [5, 6, 7, 8, 9]
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for s in itertools.permutations(phase_settings):
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comps = get_comps(init_memory.copy())
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for i, input1 in enumerate(s):
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if i == 0 and not comps[i].isRunning():
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input2 = 0
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else:
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input2 = comps[i-1].getOutput()
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comps[i].addInput(input1)
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comps[i].addInput(input2)
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comps[i].start()
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while not comps[4].isHalted():
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for i in range(5):
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if not comps[i].isHalted() and not comps[i-1].isHalted():
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comps[i].addInput(comps[i-1].getOutput())
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signal = comps[4].getOutput()
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if signal > max_signal:
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max_signal = signal
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for i in range(5):
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comps[i].join()
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return max_signal
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