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by polyphonicist 2308 days ago
From the article:

> We will be dealing with arbitrary precision integers (bignums) in the problem, so let us also make a few assumptions:

> Addition or subtraction of an m-bit integer and an n-bit integer (m <= n) takes O(n) time.

> Counting the number of 1-bits in an n-bit integer takes O(n) time.