23 lines
499 B
Python
23 lines
499 B
Python
import sys
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from itertools import cycle
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from math import lcm
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I, _, *P = [l for l in sys.stdin.read().splitlines()]
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Q = [l.split(' = ') for l in P ]
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P = {k:v[1:-1].split(", ") for [k,v] in Q }
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G = [p for p in P.keys() if p[2] == 'A' ]
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R = []
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for n,g in enumerate(G):
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print(n+1, g, '', end='')
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C = g
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N = 0
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for i in cycle(I):
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if C[2] == 'Z':
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break
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C = P[C][i == 'R']
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N += 1
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print(N)
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R.append(N)
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print('steps: sum:', sum(R), 'lcm:', lcm(*R))
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