"""
adventofcode.com
Day 1
https://adventofcode.com/2021/day/1
"""
import fr
inputs: list[int] = list(map(int, fr.read_as_list('input1')))
input_size = len(inputs)
increases: int = 0
for index in range(1, input_size):
if inputs[index] > inputs[index - 1]:
increases += 1
print(increases)
def get_window_value(data: list[int], end: int) -> int:
"""Gets the window value of 3 items"""
return data[end] + data[end - 1] + data[end - 2]
window_increases: int = 0
for index in range(3, input_size):
if get_window_value(inputs, index) > get_window_value(inputs, index - 1):
window_increases += 1
print(window_increases)
"""
adventofcode.com
Day 8
https://adventofcode.com/2021/day/8
"""
import fr
inputs: list[str] = fr.read_as_list('input8')
def part1():
count: int = 0
for input in inputs:
for output in input.split(' ')[-4:]:
if len(output) == 2 or len(output) == 3 or len(output) == 4 or len(
output) == 7:
count += 1
print(count)
part1()
def parse_line(line: str):
_ = line.split(' ')
encoded_digits = list(map(set, _[0:10]))
encoded_output = list(map(set, _[-4:]))
return encoded_digits, encoded_output
'''
adventofcode.com
Day 18
https://adventofcode.com/2021/day/18
'''
from __future__ import annotations
import re
import fr
INPUTS: list[str] = fr.read_as_list('input18')
SPLITTER = re.compile(r'\d+|\[|\]|,')
def explode(sn: str) -> tuple[str, bool]:
'''Takes a Snailnumber and explodes it if needed.'''
e = re.findall(SPLITTER, sn)
depth: int = 0
left_idx: int = -1
right_value: int = -1
idx: int = 0
LENGTH = len(e)
start: int = -1
end: int = -1
output = sn
did_explode: bool = False
while idx < LENGTH:
symbol = e[idx]
if symbol == '[': depth += 1
elif symbol == ']': depth -= 1
elif symbol == ',': pass