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Re:A Neat Bitwise Trick for Swapping Even and Odd Bits by joezydeco on Wednesday March 21, 2018 @01:13PM (#16640214)
The question was an unsigned 8-bit input, not an arbitrary number.

And the "trick" given in the answer still depends on a fixed number of input bits, no matter if it's 8, 32, or 10^100.

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