Iterator: It is an object that can be used to iterate over the elements in a collection. It behaves like pointers that can access the information in a container. The content of the vector can be manipulated or printed using an Iterator. Reverse Iterator : A reverse iterator is referred as “bidirectional iterator” and it will work in reverse order. This means it allows the user to iterate the container’s element in backward direction. Here, the first element of the container is referred as the last element and the last element is considered as the first of the container.

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Chapter 17, Problem 39RQE

Program Plan Intro

Iterator:

It is an object that can be used to iterate over the elements in a collection.

It behaves like pointers that can access the information in a container.

The content of the vector can be manipulated or printed using an Iterator.

Reverse Iterator:

A reverse iterator is referred as “bidirectional iterator” and it will work in reverse order. This means it allows the user to iterate the container’s element in backward direction.

Here, the first element of the container is referred as the last element and the last element is considered as the first of the container.

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