What is wrong with the code snippet below?

void do$\_$it$()$

$\{$

int$*$ num$1=$ new int$[10]$;

int$*$ num$2=$ new int$[20]$;

num$1[0]=100$;

num$2[0]=$ num$1[0]$;

num$1=$ num$2$;

$//$ more important stuff here

delete$[]$ num$2$;

$\}$

Group of answer choices

num$2$ cannot be assigned to num$1$

The memory that num$2$ points to originally is never released.

The memory that num$1$ points to originally is never released.

There is no problem with this code snippet.