I actually find the refactor more readable, but one man's variable is another man's constant I guess. To me, rem looks like remainder and xor is reminiscent of "except". The former is simpler and more traditional, but less semantic. At the end of the day though, it's a very simple exercise so I would have felt like I missed an opportunity to improve if I just solved it quick and moved on :)
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I actually find the refactor more readable, but one man's variable is another man's constant I guess. To me,
remlooks like remainder andxoris reminiscent of "except". The former is simpler and more traditional, but less semantic. At the end of the day though, it's a very simple exercise so I would have felt like I missed an opportunity to improve if I just solved it quick and moved on :)