[creative] Scientific imports + 1-liner: Markov chain 3rd party solution for Pearls in the Box by Phil15 - python coding challenges

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[creative] Scientific imports + 1-liner: Markov chain solution in 3rd party category for Pearls in the Box by Phil15

import numpy as np
from scipy.sparse import spdiags
checkio=lambda s,n:np.linalg.matrix_power(spdiags((np.roll(t:=np.linspace(0,1,d:=len(s)+1),-1),np.roll(1-t,1)),(-1,1),d,d).toarray(),n-1)[s.count('w')]@t

Feb. 7, 2021

Comments:

Phil15 on Feb. 7, 2021, 10:34 a.m.
<p>Note that when I published this I could not put it in <strong>creative</strong> category where it clearly belongs.</p>

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