List or Linked list: Linked list is a linear and dynamic data structure which is used to organize data; it contains sequence of elements which are connected together in memory to form a chain. The every element of linked list is called as a node. List head: List head is a pointer used to point the first node in the linked list and it is also called as “head pointer”; if the “ head pointer ” points to a “ NULL ” value, then it is considered that the “ list is empty ”. Graphical representation of linked list: The graphical representation of a linked list is as follows: cout statement: “cout” stands for standard output stream. It is the c++ stream used to access the standard output, which in this case is the output screen. “cout” statement is followed by the “<<” operator which is called the insertion operator. “<<” operator inserts the information that tails it into the stream and user can provide the required output.

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Chapter 17, Problem 15RQE

Program Plan Intro

List or Linked list:

Linked list is a linear and dynamic data structure which is used to organize data; it contains sequence of elements which are connected together in memory to form a chain. The every element of linked list is called as a node.

List head:

List head is a pointer used to point the first node in the linked list and it is also called as “head pointer”; if the “head pointer” points to a “NULL” value, then it is considered that the “list is empty”.

Graphical representation of linked list:

The graphical representation of a linked list is as follows:

cout statement:

“cout” stands for standard output stream.

It is the c++ stream used to access the standard output, which in this case is the output screen.

“cout” statement is followed by the “<<” operator which is called the insertion operator.

“<<” operator inserts the information that tails it into the stream and user can provide the required output.

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