First creative solution for Pearls in the Box by gflegar - python coding challenges

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First solution in Creative category for Pearls in the Box by gflegar

p=lambda n,w,b: w>=0 and b>=0 and n>0 and(w*(n==1 or p(n-1,w-1,b+1))+b*(n>1)*p(n-1,w+1,b-1))/(w+b)
checkio=lambda m,s:round(float(p(s,m.count('w'),m.count('b'))),2)

June 4, 2014

Comments:

veky on June 4, 2014, 1:12 p.m.
<p>Too bad you didn't find a closed form solution. ;-)</p>

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