How do I choose the right container in C++?

How do I choose the right container in C++?

Choosing the right container in C++ depends on your specific needs. Are you looking for fast access, insertion, or deletion?

I need fast access and random access is important for my application.

In that case, you might want to use std::vector or std::array. They provide fast random access. Do you need dynamic sizing?

Yes, I need the container to resize dynamically.

Then std::vector is your best choice. It can grow and shrink as needed while maintaining fast access.

What about when I need to frequently insert and delete elements?

For frequent insertions and deletions, consider using std::list or std::deque. They are optimized for those operations.