17 lines
421 B
Python
17 lines
421 B
Python
from typing import Any, Iterator
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from ..base import BaseSolver
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def index_of_first_n_differents(data: str, n: int) -> int:
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for i in range(len(data)):
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if len(set(data[i : i + n])) == n:
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return i + n
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return -1
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class Solver(BaseSolver):
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def solve(self, input: str) -> Iterator[Any]:
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yield index_of_first_n_differents(input, 4)
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yield index_of_first_n_differents(input, 14)
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