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from collections import Counter
from copy import copy
from typing import List
from aoc import BaseAssignment
class Assignment(BaseAssignment):
def parse_item(self, item: str) -> List[int]:
return [ int(i) for i in item.split(',') ]
def read_input(self, example = False) -> List[int]:
return next(super().read_input(example))
@staticmethod
def calculate_cost(start, end) -> int:
raise NotImplementedError()
def run(self, input: List[int]) -> int:
return min([
sum([
self.calculate_cost(item, position)
for item in input
])
for position in range(min(input), max(input) + 1)
])
class AssignmentOne(Assignment):
example_result = 37
@staticmethod
def calculate_cost(start, end) -> int:
return abs(end - start)
class AssignmentTwo(Assignment):
example_result = 168
@staticmethod
def calculate_cost(start, end) -> int:
base_cost = AssignmentOne.calculate_cost(start, end)
# extra = sum(i for i in range(base_cost))
# return base_cost + extra
return int(base_cost * (base_cost + 1) / 2)
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