36 lines
680 B
Python
36 lines
680 B
Python
ex=[0,3,6]
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def iter(start):
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spoke=dict()
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lastSpokeD=dict()
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turn=0
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nextSpeak=None
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for i in start:
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turn+=1
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spoke[i]=turn
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yield i
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nextSpeak=0
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while True:
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turn+=1
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yield nextSpeak
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lastSpoke=spoke.get(nextSpeak)
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spoke[nextSpeak]=turn
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if lastSpoke is None:
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nextSpeak=0
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else:
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nextSpeak=turn-lastSpoke
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if turn%3000000==0:
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print(f"turn {turn} of 30000000 ({100*turn/30000000.0}%)")
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import itertools
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print(list(itertools.islice(iter(ex), 10)))
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def nth(start, n):
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return next(x for i,x in enumerate(start) if i==n-1)
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# print(nth(iter([0,3,6]), 30000000))
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print(nth(iter([5,1,9,18,13,8,0]), 30000000))
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