/******************************************************************************
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#include <iostream>
using namespace std;
void swap(int& x, int& y)
{
int z = x;
x = y;
y = z;
}
int main()
{
int a = 5, b = 4;
cout << "Before Swap\n";
cout << "a = " << a << " b = " << b << "\n";
swap(a, b);
cout << "After swap with pass by pointer\n";
cout << "a = " << a << " b = " << b << "\n";
}
