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edited Apr 13, 2017 at 12:39

Python, 46 45 bytes, Sp3000 Python, 46 45 bytes, Sp3000

f=lambda n,k=1:n and-~f(n-(k+(k&-k)&k>0),k+1)

Test it on Ideone.

f=lambda n,k=1:n and-~f(n-(k+(k&-k)&k>0),k+1)

Test it on Ideone.

f=lambda n,k=1:n and-~f(n-(k+(k&-k)&k>0),k+1)

Test it on Ideone.

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created Aug 21, 2016 at 7:54

f=lambda n,k=1:n and-~f(n-(k+(k&-k)&k>0),k+1)

Test it on Ideone.