class Node { public: int data; Node * next; }; Node p1, p2, *p3; Assume also t

Q: class Node { public: int data; Node * next; }; Node *p1, *p2, *p3; Assume also t

For the Question # 3, the p1 data is displayed but for the address, we need to write only cout

ID: 3626055 • Letter: C

Question

class Node
{
public:
int data;
Node * next;
};
Node *p1, *p2, *p3;
Assume also that the following statements have been executed:
p1 = new(nothrow) Node;
p2 = new(nothrow) Node;
p3 = new(nothrow) Node;

Tell what will be displayed by each of the following code segments or explain why an error occurs.

Question # 3.
p1 -> data = 123;
p2 -> data = 456;
p1 -> next= p2;
p2 -> next= 0;
cout << p1 -> data << " " << p1 ->next->data << endl;

Question # 4.
p1 -> data = 123;
p2 -> data = 456;
p1 -> next= p2;
p2 -> next= 0;
cout << p2 -> data << " " << p2 ->next->data << endl;

Explanation / Answer

For the Question # 3, the p1 data is displayed but for the address, we need to write only cout

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class NationalSite: def __init__(self, type, name, desc, url=None): self.type =

class Node: def __init__(self, value): self.value = value self.left = None self.

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class Node { public: int data; Node * next; }; Node *p1, *p2, *p3; Assume also t

Question

Explanation / Answer

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class Node { public: int data; Node * next; }; Node p1, p2, *p3; Assume also t