help with arrays in C++

Code:

---

const int SIZE = 10;
        int a[SIZE] = {1,2,3,4,5,6,7,8,9,10};
        int *p;
        int i;

        p = a+(SIZE/2);
        cout << p << endl;

        for(i = 0; i < SIZE/2; i++)
        {
                cout << (p+i) << " = " << *(p+i) << " "
                        << (p-(i+1)) << " = " << *(p-(i+1))
            << endl;
        }

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who can explain this coding to me

how i assume the starting Aray a is 0012FF30

You can't assume the array starts anywhere.

You could try outputting a+i rather than p+i
All it is doing is outputting the addresses and contents of various elements of the array.