Assume the parameters in the following code are being passed by reference. What numbers reside in the variables a and b after the swap takes place? Next, assume the parameters are being passed by value-result. What numbers reside in the variables a and b after the swap takes place this time? void swap(int x, int y, int z) { int tmp = x; x = y; y = z; z = tmp; } int main() { int a = 3; int b = 4; swap(a, b, b); }
Assume the parameters in the following code are being passed by reference. What numbers reside in the variables a and b after the swap takes place? Next, assume the parameters are being passed by value-result. What numbers reside in the variables a and b after the swap takes place this time? void swap(int x, int y, int z) { int tmp = x; x = y; y = z; z = tmp; } int main() { int a = 3; int b = 4; swap(a, b, b); }
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter4: Selection Structures
Section: Chapter Questions
Problem 14PP
Related questions
Question
Assume the parameters in the following code are being passed by reference. What numbers reside in the variables a and b after the swap takes place?
Next, assume the parameters are being passed by value-result. What numbers reside in the variables a and b after the swap takes place this time?
void swap(int x, int y, int z)
{
int tmp = x;
x = y;
y = z;
z = tmp;
}
int main()
{
int a = 3;
int b = 4;
swap(a, b, b);
}
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