How does memory management work in C++11 std::vector?

Can you explain how memory management works in C++11 std::vector?

Sure! In C++11, std::vector manages memory automatically. It allocates memory dynamically and can resize as needed.

What happens when a vector resizes?

When a vector resizes, it allocates new memory, copies existing elements to the new memory, and then frees the old memory.

Is there a way to reserve memory in advance?

Yes, you can use the reserve() method to allocate memory for a specific number of elements in advance, which can improve performance.

What about memory leaks with std::vector?

std::vector handles memory management for you, so it generally prevents memory leaks. However, if you store pointers, you need to manage those manually.