The topic is about STACK (one of the c++ data structures course) Can anyone plea

Question

The topic is about STACK (one of the c++ data structures course)

Can anyone please help me with this question? Much Appreciated.

Question 2: Assume NodeType p points at the first node in a linked structure of NodeType objects i e., struct NodeType ItemType data; Node Type' next, For each of the code fragments hereafter, explain exactly what it will do or else why it will not compile, or cause a runtime error, etc. (3 marks) a while (p NULL) (Node Type node p, p next delete node; b) while (p NULL) (Node Type* node p p->next, delete node; c) while (p NULL) (Node Type node p; pa p- next, delete node;

Explanation / Answer

a) Given code will not compile, because the statement p = next will show runtime error. It should be

written as p = p->next;

b) Given code will not compile, because the statement NodeType* node = p = p->next; is wrong; It should be written as in part c.

c) Given code will compile, the code will delete all the entries in the linked structure.

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