A pointer converted into A pointer to a pointer in c++

int *p;

int **q;

x = 100;

cout << "Address field of &x(own)=" << &x << endl;

cout << "Value field of x=" << x << endl;

p = &x;

cout << "\nAddress field of &p(own)=" << &p << endl;

cout << "Value field of p=" << p << endl;

cout << "Value field of *p=" << *p << endl;

q=&p;

cout << "\nAddress field of &q(own)=" << &q << endl;

cout << "Value field of q=" << q << endl; // Value field holds the address of the p.

cout << "Value field of *q=" << *q << endl;

cout << "Value field of **q=" << **q << endl;

int *p2 = *q;

cout << "\nAddress field of &p2(own)=" << &p2 << endl;

cout << "Value field of p2=" << p2 << endl;

cout << "Value field of *p2=" << *p2 << endl;

q = (int**)p;

cout << "\nAddress field of &q(own)=" << &q << endl;

cout << "Value field of q=" << q << endl;

cout << "Value field of *q=" << *q << endl; // Print result is Hex(decimal:100 -> hex:00000064). Why is not output the decimal 100?

cout << "Value field of (int)*q=" << (int)*q << endl; // Converted to decimal.  

system("pause");

return 0;