Fun with pointer !, Funwithpointer

Fun with pointer !, Funwithpointer
Int x = 1; // the address of x is 50.

Statement	P	* P	X
Int x = 1; const int * p = & x;	50: int y = 2; p = & y. Both p and * p are changed.	1 cannot be modified	It can be changed. X = 2. * p = 2 at this time, but p remains unchanged.
Const int x = 1; const int * p = & x;	50 unchangeable	1 cannot be modified	Unchangeable
Const int x = 1; int * p = & x;	An error occurs only when a constant Pointer Points to a constant.
Int x = 1; int * const p = & x;	50 unchangeable	* P = 3; then x = 3. But p remains unchanged.	It can be changed. * P changes, but p remains unchanged.
Int x = 1; const int * const p = & x;	50 unchangeable	Unchangeable	It can be changed. X = 2. At this time, * p changes, but p remains unchanged.