39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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# SPDX-License-Identifier: MIT
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# Copyright (c) 2022 Akumatic
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#
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# https://adventofcode.com/2022/day/10
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def read_file(filename: str = "input.txt") -> list:
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with open(f"{__file__.rstrip('code.py')}{filename}", "r") as f:
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return [line.split() for line in f.readlines()]
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def run_instructions(instructions: list) -> list:
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history = []
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x = 1
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for instruction in instructions:
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match instruction:
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case ["noop"]:
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history.append(x)
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case ["addx", val]:
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history.extend([x, x])
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x += int(val)
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return history
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def part1(vals: list) -> int:
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history = run_instructions(vals)
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return sum((i + 1) * history[i] for i in range(19, 220, 40))
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def part2(vals: list) -> str:
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history = run_instructions(vals)
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result = ["\n"]
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for y in range(6):
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for x in range(40):
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result.append("#" if x in range(history[y*40+x]-1, history[y*40+x]+2) else ".")
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result.append("\n")
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return "".join(result)
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if __name__ == "__main__":
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vals = read_file()
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print(f"Part 1: {part1(vals)}")
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print(f"Part 2: {part2(vals)}")
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