/ *
Write a function invert (x, p, n), which returns the result value after the following operation:
The N b binary position started from the first bit (i.e., 1 change 0, 0 change 1), and the remaining points of X remain unchanged.
* /
INT INVERT (int X, int P, int N)
{
Return (x ^ (~ (~ 0 << n) << p));
}
