Example $1$: Pointers

#include

using namespace std;

int main$()\{$

int $*$pc$,$ c;

c $=5$;

cout $<<$ "Address of c $($&c$)$: $"<<$ &c $<<$ endl;

cout $<<$ "Value of c $($c$)$: $"<<$ c $<<$ endl $<<$ endl;

pc $=$ &c; $//$ Pointer pc holds the memory address of variable c

cout $<<$ "Address that pointer pc holds $($pc$)$: $"<<$ pc $<<$ endl;

cout $<<$ "Content of the address pointer pc holds $(*$pc$)$: $"<<*$pc $<<$ endl $<<$ endl;

c $=11$; $//$ The content inside memory address &c is changed from $5$ to $11.$

cout $<<$ "Address pointer pc holds $($pc$)$: $"<<$ pc $<<$ endl;

cout $<<$ "Content of the address pointer pc holds $(*$pc$)$: $"<<*$pc $<<$ endl $<<$ endl;

$*$pc $=2$;

cout $<<$ "Address of c $($&c$)$: $"<<$ &c $<<$ endl;

cout $<<$ "Value of c $($c$)$: $"<<$ c $<<$ endl $<<$ endl;

return $0$;

$\}$