What are the different types of iterators in C++11 for vectors?
An example of an AI chatbot conversation about C++11 vector iterator types.
Can you explain the different types of iterators available for vectors in C++11?
Sure! In C++11, vectors support several types of iterators: begin, end, rbegin, rend, and const iterators.
What is the difference between a regular iterator and a const iterator?
A regular iterator allows modification of the elements it points to, while a const iterator does not allow modification.
Can you give me an example of how to use a reverse iterator?
Absolutely! You can use a reverse iterator like this: std::vector<int>::reverse_iterator rit; for (rit = vec.rbegin(); rit != vec.rend(); ++rit) { std::cout << *rit << ' '; }.
Are there any performance differences between these iterators?
Generally, the performance is similar, but using const iterators can help the compiler optimize certain operations.
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