Linked list: Linked list denotes a linear data structure. The elements are not stored at contiguous locations; the elements are linked using pointers. It stores linear data of similar types not like arrays. The size of linked list can be changed based on requirement. It is represented by a pointer to first linked list node. The first node denotes a head. If linked list is empty, value of head is NULL. The node in a list has two parts, data and pointer to next node. Given code: //Define a structure struct Node { //Define member double data; //Define next node Node next; }; //Define instance of Node typedef Node Pointer; //Create instance Pointer p1, p2; Explanation: The “Node” defines a structure with “data” as member. It has a pointer “next” to next element of list. The “Node *Pointer” creates an instance of structure. The “Pointer p1, p2” creates instance variables “p1” and “p2” of type “Pointer”.

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Chapter 13.1, Problem 7STE

Program Plan Intro

Linked list:

Linked list denotes a linear data structure.

The elements are not stored at contiguous locations; the elements are linked using pointers.

It stores linear data of similar types not like arrays.

The size of linked list can be changed based on requirement.

It is represented by a pointer to first linked list node.

The first node denotes a head.

If linked list is empty, value of head is NULL.

The node in a list has two parts, data and pointer to next node.

Given code:

//Define a structure

struct Node

{

//Define member

double data;

//Define next node

Node next;

};

//Define instance of Node

typedef Node Pointer;

//Create instance

Pointer p1, p2;

Explanation:

The “Node” defines a structure with “data” as member.

It has a pointer “next” to next element of list.

The “Node *Pointer” creates an instance of structure.

The “Pointer p1, p2” creates instance variables “p1” and “p2” of type “Pointer”.

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