With the advent of the new standard, we can often avoid having to write the type of a pointer into an array by using auto or decltype (§ 2.5.2, p. 68)

// print the value of each element in ia, with each inner array on its own line
// p points to an array of four ints
for (auto p = ia; p != ia + 3; ++p) {
 // q points to the first element of an array of four ints; that is, q points to an
int
 for (auto q = *p; q != *p + 4; ++q) cout << *q << ' '; cout << endl;
}