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91 lines
2.0 KiB
Python
91 lines
2.0 KiB
Python
#!/usr/bin/env python
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from dataclasses import dataclass
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from os.path import dirname, join
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# Day 04
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# Common
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def read_input(filename):
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data = join(dirname(__file__), '..', filename)
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with open(data) as f:
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return f.read().strip()
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test = read_input('test.txt')
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data = read_input('input.txt')
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@dataclass
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class CleaningJob:
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start: int
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end: int
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def __len__(self):
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return self.end - self.start
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def __contains__(self, other) -> bool:
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if isinstance(other, CleaningJob):
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return self.start <= other.start and self.end >= other.end
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elif type(other) is int:
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return self.start <= other <= self.end
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else:
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return False
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def overlaps(self, other: 'CleaningJob') -> bool:
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return other.start in self or other.end in self or other in self
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@dataclass
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class CleaningPair:
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one: CleaningJob
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two: CleaningJob
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@staticmethod
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def parse(data: str):
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jobs = [
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CleaningJob(*map(int, job.split('-')))
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for job in data.split(',')
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]
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return CleaningPair(*jobs)
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def is_duplicated(self):
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return self.one in self.two or self.two in self.one
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def overlaps(self):
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return self.one.overlaps(self.two) or self.two.overlaps(self.one)
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@dataclass
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class CleaningSquad:
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pairs: list[CleaningPair]
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@staticmethod
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def parse(data: str):
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return CleaningSquad([
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CleaningPair.parse(line)
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for line in data.split('\n')
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])
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def check_duplicate(self):
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return sum([pair.is_duplicated() for pair in self.pairs])
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def check_overlap(self):
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return sum([pair.overlaps() for pair in self.pairs])
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# 1
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print('1.')
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squad = CleaningSquad.parse(test)
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print(squad.check_duplicate())
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squad = CleaningSquad.parse(data)
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print(squad.check_duplicate())
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# 2
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print('\n2.')
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squad = CleaningSquad.parse(test)
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print(squad.check_overlap())
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squad = CleaningSquad.parse(data)
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print(squad.check_overlap())
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