Containers

Containers are used to store and manage collections of objects. They provide various ways to organize and access data, and they come with built-in functionalities for manipulation; It contains 4 types of containers:

1. Sequence Container:

   Such as vector, list, deque; which stores element in sequential order.

2. Associative Container:

   Such as set, map, multiset, multimap, hash_set, hash_map, hash_multiset, hash_multimap; which stores element in such way that allows fast retrieval based on key.

3. Unordered Associative Container:

   Such as unordered_set, unoedered_map; which provide average constant time complexity.

4. Container Adaptors:

   Such as stack , queue, and priority_queue; which provide specific interface to oher container.