How do I use iterators with std::vector in C++11?

Can you explain how to use iterators with std::vector in C++11?

Sure! In C++11, you can use iterators to traverse a std::vector. You can use both begin() and end() methods to get the start and end of the vector.

Can you show me a simple example of using iterators with std::vector?

Of course! Here's a simple example:

#include <iostream>
#include <vector>

int main() {
    std::vector<int> vec = {1, 2, 3, 4, 5};
    for (auto it = vec.begin(); it != vec.end(); ++it) {
        std::cout << *it << " ";
    }
    return 0;
}

This will print the elements of the vector.

What are the advantages of using iterators over traditional indexing?

Using iterators can make your code more generic and flexible. They work with different container types and can simplify code when dealing with algorithms.

Are there any common pitfalls when using iterators?

Yes, one common pitfall is dereferencing an iterator that has reached the end of the container. Always ensure that your iterator is valid before dereferencing it.