What is the size of a std::vector in C++11?
An example of an AI chatbot conversation about the size of std::vector in C++11.
What is the size of a std::vector in C++11?
In C++11, the size of a std::vector can be obtained using the size() member function, which returns the number of elements.
Does the size of the vector change when I add or remove elements?
Yes, the size of the vector will change dynamically as you add or remove elements using push_back() or pop_back() methods.
Is there a way to reserve space in a std::vector to improve performance?
Absolutely! You can use the reserve() method to allocate memory for a specified number of elements, which can improve performance.
What happens if I exceed the reserved size?
If you exceed the reserved size, the vector will automatically allocate more memory to accommodate the new elements.
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