Question $5(10$ points$)$

Consider writing a client function $($non$-$member function$)$ that creates and returns a new ADT Bag object that contains all items from a given Bag object without duplicated items. The function is not allowed to modify the given Bag object. Which of the following implementations for this function is correct?

Question $5$ options:

a$)$

Template

void bagCopy$($Bag& aBag$)$

$\{$

int size $=$ aBag. getCurrentSize$()$;

for$($int i$=0$; i$1))$

aBag.remove$($items$[$i$])$;

$\}$

return aBag;

$\}$

b$)$

Template

void bagCopy$($Bag aBag$)$

$\{$

int size $=$ aBag. getCurrentSize$()$;

for$($int i$=0$; i

Bag bagCopy$($const Bag& aBag$)$

$\{$

vector items $=$ aBag.toVector$()$;

Bag newBag;

int size $=$ items.size$()$;

for$($int i$=0$; i

Bag bagCopy$($const Bag& aBag$)$

$\{$

int size $=$ aBag. getCurrentSize$()$;

ItemType ItemsCopy$[$size$]$;

ItemsCopy$[0]=$items$[0]$;

bool duplicated;

for$($int i$=1$; i