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63 lines
1.3 KiB
63 lines
1.3 KiB
"""
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Advent of Code 2021 - Day 07
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Run with:
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python puzzles/day07.py inputs/day07.txt
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"""
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import pathlib
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import sys
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from statistics import median
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from typing import List, Tuple
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class AlignCrabSubs:
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positions: List[int]
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def __init__(self, positions: List[int]) -> None:
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self.positions = positions
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def calc_least_fuel(self) -> int:
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target = median(self.positions)
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fuel = 0
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for num in self.positions:
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fuel += num - target if num > target else target - num
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return int(fuel)
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def part1(inputs: List[int]) -> int:
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subs = AlignCrabSubs(inputs)
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return subs.calc_least_fuel()
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def part2(inputs: List[int]) -> int:
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return False
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def parse(inputs: str) -> List[int]:
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"""Parse the input string"""
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return [int(value) for value in inputs.split(",")]
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def solve(path: str) -> Tuple[int, int]:
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"""Solve the puzzle"""
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puzzle_input = parse(pathlib.Path(path).read_text().strip())
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part1_result = part1(puzzle_input)
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part2_result = part2(puzzle_input)
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return part1_result, part2_result
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def main() -> None:
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for path in sys.argv[1:]:
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print(f"Input File: {path}")
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part1_result, part2_result = solve(path)
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print(f"Part 1 Result: {part1_result}")
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print(f"Part 2 Result: {part2_result}")
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if __name__ == "__main__":
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main()
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