62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
# SPDX-License-Identifier: MIT
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# Copyright (c) 2019 Akumatic
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#
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# https://adventofcode.com/2019/day/7
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from itertools import permutations
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from amp import Amp
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def readFile() -> list:
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with open(f"{__file__.rstrip('code.py')}input.txt", "r") as f:
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return [int(num) for num in f.readline().split(",")]
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def amplify(vals: list, phaseSettings: tuple) -> int:
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amps = [Amp(vals, phaseSettings[i]) for i in range(5)]
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amps[0].queue.put(0)
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for i in range(1, 4):
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amps[i].next = amps[i+1]
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amps[i].prev = amps[i-1]
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amps[0].next = amps[1]
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amps[4].prev = amps[3]
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if phaseSettings[0] > 4:
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amps[4].next = amps[0]
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amps[0].prev = amps[4]
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while not (amps[0].term and amps[1].term and amps[2].term and amps[3].term and amps[4].term):
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for i in range(5):
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if not amps[i].term:
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amps[i].run()
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return amps[4].output
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def part1(vals: list) -> int:
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return max([amplify(vals, (a, b, c, d, e)) for a,b,c,d,e in permutations([x for x in range(5)])])
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def part2(vals: list) -> int:
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return max([amplify(vals, (a, b, c, d, e)) for a,b,c,d,e in permutations([x for x in range(5,10)])])
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def test():
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vals = [3,15,3,16,1002,16,10,16,1,16,15,15,4,15,99,0,0]
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assert amplify(vals, (4,3,2,1,0)) == 43210
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vals = [3,23,3,24,1002,24,10,24,1002,23,-1,23,
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101,5,23,23,1,24,23,23,4,23,99,0,0]
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assert amplify(vals, (0,1,2,3,4)) == 54321
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vals = [3,31,3,32,1002,32,10,32,1001,31,-2,31,1007,31,0,33,
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1002,33,7,33,1,33,31,31,1,32,31,31,4,31,99,0,0,0]
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assert amplify(vals, (1,0,4,3,2)) == 65210
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vals = [3,26,1001,26,-4,26,3,27,1002,27,2,27,1,27,26,
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27,4,27,1001,28,-1,28,1005,28,6,99,0,0,5]
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assert amplify(vals, (9,8,7,6,5)) == 139629729
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vals = [3,52,1001,52,-5,52,3,53,1,52,56,54,1007,54,5,55,1005,55,26,1001,54,
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-5,54,1105,1,12,1,53,54,53,1008,54,0,55,1001,55,1,55,2,53,55,53,4,
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53,1001,56,-1,56,1005,56,6,99,0,0,0,0,10]
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assert amplify(vals, (9,7,8,5,6)) == 18216
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if __name__ == "__main__":
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test()
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vals = readFile()
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print(f"Part 1: {part1(vals)}")
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print(f"Part 2: {part2(vals)}") |