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vaylian
4 days ago
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That XOR Trick (2020)
It would set a[i] to zero instead of swapping two values, right?
praptak
4 days ago
[–]
Yes. Now we only need a legit use case for code that swaps values only if they are in different locations, otherwise zeroes the aliased location. Then we can finally do it using the xor swap!
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