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Answers and rating deltas for

why swap() can work well when I don't call it with two pointer?

Author Votes Δ
Robᵩ 16 +1.87
Luchian Grigore 7 +0.21
Mike Seymour 5 -0.76
fredoverflow 5 -0.58
Stuart Olsen -1 -2.46
Last visited: Sep 14, 2014, 5:07:29 AM