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Too much discussion of the XOR swap trick
The following post involves far too much discussion of the XOR swap trick. If XOR itself is unfamiliar, I have written a gentler introduction to it .
Chris Jefferson is a professor of computer science at the University of St Andrews, working on computational group theory, constraint programming and puzzle generation.
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The following post involves far too much discussion of the XOR swap trick. If XOR itself is unfamiliar, I have written a gentler introduction to it .