What are the different types of collections in C++?

What are the different types of collections in C++?

In C++, collections are primarily handled through the Standard Template Library (STL). The main types include vectors, lists, sets, and maps.

Can you explain the difference between a vector and a list?

Sure! A vector is a dynamic array that allows random access and is efficient for accessing elements. A list, on the other hand, is a doubly linked list that allows for efficient insertions and deletions but does not support random access.

When should I use a set instead of a vector?

You should use a set when you need to store unique elements and require fast lookups, insertions, and deletions without duplicates.

What about maps? How do they differ from sets?

Maps store key-value pairs, allowing you to associate a value with a unique key. Sets only store unique keys without associated values.