My advent of code solutions
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"""
Advent of Code 2021 - Day 03
Run with:
python puzzles/day03.py inputs/day03.txt
"""
import pathlib
import sys
from typing import List, Tuple
from collections import defaultdict
def part1(inputs: List[int]) -> int:
num_1 = defaultdict(int)
for line in inputs:
for index, value in enumerate(line):
num_1[index] += int(value)
total = len(inputs)
gamma = epsilon = ""
for value in num_1.values():
if value > (total/2):
gamma += "1"
epsilon += "0"
else:
gamma += "0"
epsilon += "1"
gamma = int(gamma, 2)
epsilon = int(epsilon, 2)
power = gamma * epsilon
return power
def part2(inputs: List[int]) -> int:
return False
def parse(inputs: str) -> List[int]:
"""Parse the input string"""
return [line for line in inputs.split()]
def solve(path: str) -> Tuple[int, int]:
"""Solve the puzzle"""
puzzle_input = parse(pathlib.Path(path).read_text().strip())
part1_result = part1(puzzle_input)
part2_result = part2(puzzle_input)
return part1_result, part2_result
def main() -> None:
for path in sys.argv[1:]:
print(f"Input File: {path}")
part1_result, part2_result = solve(path)
print(f"Part 1 Result: {part1_result}")
print(f"Part 2 Result: {part2_result}")
if __name__ == "__main__":
main()