On 23.04.2018 17:59, Steve Holden wrote:
While Tim's expression might look (superficially) like C, the five-line alternative isn't exactly an inspiring example of Pythonicity, is it?
What about diff = x - x_base if diff and gcd(diff, n) > 1: return gcd(diff, n) # or if (x - x_base) and gcd(x - x_base, n) > 1: return gcd(x - x_base, n) and have the interpreter handle the optimization, or apply an lru_cache? ;-) Cheers, Sven
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