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https://github.com/Crocmagnon/advent-of-code.git
synced 2024-05-04 19:05:11 +02:00
86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
def main(filename: str, expected_part_1: int = None, expected_part_2: int = None):
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print(f"\n+ Running on {filename}")
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with open(filename) as f:
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data = f.read().strip().split("\n")
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data = parse_data(data)
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solution_part_1 = solve_part_1(data)
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print(f"1. Found {solution_part_1}")
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if expected_part_1:
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assert expected_part_1 == solution_part_1
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solution_part_2 = solve_part_2(data)
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print(f"2. Found {solution_part_2}")
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if expected_part_2:
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assert expected_part_2 == solution_part_2
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DataType = list[str]
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def parse_data(data: list[str]) -> DataType:
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return data
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def solve_part_1(data: DataType) -> int:
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total = 0
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register = 1
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clock = 0
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expected_cycles = [20, 60, 100, 140, 180, 220]
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for instruction in data:
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match instruction.split():
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case ["noop"]:
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clock += 1
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if clock in expected_cycles:
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print(f"{clock=}, {register=}")
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total += register * clock
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case ["addx", value]:
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clock += 1
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if clock in expected_cycles:
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print(f"{clock=}, {register=}")
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total += register * clock
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clock += 1
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if clock in expected_cycles:
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print(f"{clock=}, {register=}")
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total += register * clock
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register += int(value)
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return total
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def solve_part_2(data: DataType) -> None:
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register = 1
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clock = 0
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for instruction in data:
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match instruction.split():
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case ["noop"]:
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clock += 1
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end_of_cycle(clock, register)
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case ["addx", value]:
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clock += 1
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end_of_cycle(clock, register)
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clock += 1
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end_of_cycle(clock, register)
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register += int(value)
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def end_of_cycle(clock: int, register: int) -> None:
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if (clock % 40 - 1) in sprite_indices(register):
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char = "#"
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else:
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char = "."
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if clock % 40 == 0:
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end = "\n"
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else:
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end = ""
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print(char, end=end)
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def sprite_indices(register: int) -> tuple[int, int, int]:
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return register - 1, register, register + 1
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if __name__ == "__main__":
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main("inputs/day10-test1", expected_part_1=13140)
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main("inputs/day10", expected_part_1=12560)
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