Given below are three implementations of the swap( ) function in C++ . – McqOptions

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1.	Given below are three implementations of the swap( ) function in C++ .Which of these would actually swap the contents of the two integer variables p and q?
A.	(a) only
B.	(b) only
C.	(c) only
D.	(b) and (c) only
Answer» C. (c) only

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