40 lines
1 KiB
Python
40 lines
1 KiB
Python
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from itertools import chain
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from solutions import BaseSolution
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class Solution(BaseSolution):
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input_file = "10.txt"
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def __str__(self):
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return "Day 10: Elves Look, Elves Say"
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def parse_input(self, data):
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return data.strip()
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def solve(self, puzzle_input, iterations=40):
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return len(self._sequence(puzzle_input, iterations))
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def solve_again(self, puzzle_input, iterations=50):
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return len(self._sequence(puzzle_input, iterations))
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def _sequence(self, sequence, iterations=40):
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for _ in range(iterations):
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chunks = []
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v = sequence[0]
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counter = 0
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for c in sequence:
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if c == v:
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counter += 1
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else:
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chunks.append([str(counter), v])
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v = c
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counter = 1
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chunks.append([str(counter), v])
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sequence = "".join(chain(*chunks))
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return sequence
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if __name__ == "__main__":
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solution = Solution()
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solution.show_results()
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