Files
adventofcode2022/1/calories.py
2022-12-03 13:29:10 +01:00

71 lines
1.9 KiB
Python

from aocd.models import Puzzle
from aocd import submit
class Elf:
'''
object which holds a a list of calories
carried by this particular elf
'''
calories = list()
def __init__(self, numbers: list) -> None:
'''
constructor
'''
self.calories = numbers.copy()
def __lt__(self, other) -> bool:
'''
compare if sum of calorie is less than other
'''
return (self.sum_calories() < other.sum_calories())
def __repr__(self) -> str:
'''
print string representation of object
'''
return f'{str(self.calories)}'
def sum_calories(self) -> int:
'''
calculate the total calories carried by this elf
'''
return sum(self.calories)
def parse_input(data: list) -> list:
'''
parses the input data and generates a list of elfs
from the input data string
'''
# split input string into list
splits = data.split('\n')
# split list into sublists
numbers = list()
tmp = list()
for number in splits:
if not number:
numbers.append(tmp.copy())
tmp.clear()
else:
tmp.append(int(number))
# elf object for each sublist
return [ Elf(data) for data in numbers ]
if __name__ == "__main__":
# get puzzle and parse data
puzzle = Puzzle(year=2022, day=1)
# get a list of elfs and sort based on calories
elfs = parse_input(puzzle.input_data)
elfs = sorted(elfs, reverse=True)
# part a: submit biggest number of calories
answer = elfs[0].sum_calories()
print(f'answer part a: {answer}')
submit(answer, part='a', day=1, year=2022)
# part b: submit the calorie sum of the top 3 elfs
answer = sum([ elf.sum_calories() for elf in elfs[:3]])
print(f'answer part b: {answer}')
submit(answer, part='b', day=1, year=2022)