What are the different types of iterators in C++?
An example of an AI chatbot conversation about C++ iterator types and their usage.
What are the different types of iterators in C++?
In C++, there are several types of iterators: input, output, forward, bidirectional, and random access. Each serves different purposes.
Can you explain the difference between forward and bidirectional iterators?
Sure! Forward iterators can only move in one direction (forward), while bidirectional iterators can move both forward and backward.
What about random access iterators?
Random access iterators allow you to access elements at any position in constant time, similar to pointers. They support arithmetic operations.
Can you give an example of when to use each type?
Certainly! Use input iterators for reading data, output iterators for writing, forward iterators for single-pass algorithms, bidirectional for traversing both ways, and random access for direct access to elements.
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