30 lines
893 B
Python
30 lines
893 B
Python
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class LanternFish:
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def __init__(self, cycle: int, current: int = None):
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self.cycle = cycle
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self.current = current or cycle
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self.children = []
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def advance(self) -> None:
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self.current -= 1
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[child.advance() for child in self.children]
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if self.current == -1:
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self.current = self.cycle
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self.children.append(LanternFish(cycle=6, current=8))
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def count(self) -> int:
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return 1 + sum([child.count() for child in self.children])
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def load() -> list[int]:
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with open('../.input/day06') as f:
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return [int(line) for line in f.read().split(",")]
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def solve1() -> int:
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fishes = [LanternFish(cycle=6, current=init) for init in load()]
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[[fish.advance() for fish in fishes] for _ in range(100)]
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return sum([fish.count() for fish in fishes])
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if __name__ == "__main__":
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print(solve1())
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