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13 lines
304 B
Python
13 lines
304 B
Python
import collections
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from utils.input import read_input_lines
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input_sequence = read_input_lines()[0]
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buffer = collections.deque(maxlen = 4)
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for i, c in enumerate(input_sequence):
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buffer.append(c)
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if len(set(buffer)) == 4:
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print(f"Found start-of-packet marker at: {i + 1}")
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break
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