1.

Consider the following C functionvoid swap ( int x, int y ){int tmp;tmp = x;x= y;y = tmp;}In order to exchange the values of two variables a and b:

A. Call swap (a, b)
B. Call swap (&a, &b)
C. swap(a, b) cannot be used as it does not return any value
D. swap(a, b) cannot be used as the parameters passed by value
Answer» E.


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