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Answers and rating deltas for

Is this way of swapping 2 numbers better or worse than the one that uses a temp variable?

Author Votes Δ
Chris Beck 1 +4.01
Shihab Shahriar Khan 0 -0.04
Srinivasulu Rao -1 -3.97
Last visited: Nov 20, 2015, 9:30:46 PM