33 lines
946 B
Python
33 lines
946 B
Python
import math
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if __name__ == "__main__":
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with open("input.txt") as f:
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lines = f.read().split("\n")
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instructions = lines[0]
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d = {}
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for l in lines[2:]:
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pair = l.split(" = ")
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d[pair[0]] = pair[1][1:-1].split(", ")
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cur = "AAA"
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count = 0
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while cur != "ZZZ":
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for i in instructions:
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count += 1
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cur = d[cur][0 if i == "L" else 1]
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if cur == "ZZZ":
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break
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print(count)
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cur = [k for k in d.keys() if k[-1] == "A"]
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counts = [0 for _ in range(len(cur))]
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while not all([s[-1] == "Z" for s in cur]):
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for i in instructions:
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for idx in range(len(cur)):
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if cur[idx][-1] == "Z":
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continue
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counts[idx] += 1
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cur[idx] = d[cur[idx]][0 if i == "L" else 1]
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if all([s[-1] == "Z" for s in cur]):
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break
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print(math.lcm(*counts)) |