What are the different types of iterators available for C++ vectors?
In C++, vectors provide several types of iterators: begin, end, rbegin, rend, and const iterators.
Can you explain the difference between regular and constant iterators?
Regular iterators allow modification of the elements they point to, while constant iterators do not.
How do I use reverse iterators with vectors?
You can use reverse iterators by calling rbegin() and rend() on the vector, which allows you to iterate backwards.
Are there any performance differences between these iterators?
No, the performance is generally the same; the choice depends on whether you need to modify the elements.
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