Exercises4.1

 

 E1

 

E2

(1)

Node *p0=new Node('0');

Node *p1=p0->next=new Node ('1',null);

(2)

Node *p0=new Node('0',null);

Node *p1=*p2=new Node('1',p0);

(3)

Node *p0=new Node('0');

Node *p1=p0->next=new Node('1');

Node *p2=p1->next=new Node('2',p1);