14 lines
355 B
Plaintext
14 lines
355 B
Plaintext
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#!/usr/bin/python3
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occupied = set()
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with open("input") as fh:
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for ln in fh:
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s = ln.strip()
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bin = s.replace("F", "0").replace("B", "1").replace("L", "0").replace("R", "1")
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num = int(bin, base=2)
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occupied.add(num)
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for i in range(1024):
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if i not in occupied and i-1 in occupied and i+1 in occupied:
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print(i)
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