Show the printout of the following code:
```#include
using namespace std;
void swap(int a[])
{
int temp = a[0];
a[0] = a[1];
a[1] = temp;
}
int main()
{
int a[] = {1, 2};
swap(a);
cout << "a[0] = " << a[0] << " a[1] = " << a[1] << endl;
return 0;
}
```
```
#include
using namespace std;
void swap(int a[])
{
int temp = a[0];
a[0] = a[1];
a[1] = temp;
}
int main()
{
int a[] = {1, 2};
swap(a);
cout << "a[0] = " << a[0] << " a[1] = " << a[1] << endl;
return 0;
}
a[0] = 2 a[1] = 1
```
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