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y2021/p06.py
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| states = [[0, 0, 0, 0, 0, 0, 0, 0, 0]] | |||||
| for n in text.split(','): | |||||
| states[0][int(n)] += 1 | |||||
| for day in range(256): | |||||
| states.append(states[-1][1:] + states[-1][:1]) | |||||
| states[-1][6] += states[-2][0] | |||||
| ans1 = sum(states[80]) | |||||
| ans2 = sum(states[256]) |
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