point.comC++ STL
In C++ STL means Standard Template Library. It is a powerful set of C++ template classes that provide general-purpose classes and function.
It is commonly used as algorithms and data structures like vectors, lists, queues, stacks and etc.
Containers
Containers help to manage collections of objects of a certain type.
Iterators
Iterators are used to access the individual elements in a container.
begin(): It returns an iterator to the first element of the vector.
end(): It returns an iterator to the last element of a container.
| Header file | Description |
|---|---|
| <vector> | It is a class which creates a dynamic array allowing insertions and deletions at the back. |
| <list> | It is the sequence containers that allow the insertions and deletions from anywhere. |
| <deque> | It is the double-ended queue that allows the insertion and deletion from both the ends. |
| <set> | It is an associate container for storing unique sets. |
| <map> | It is an associate container for storing unique key-value pairs. |
| <stack> | It follows last in first out(LIFO). |
| <queue> | It follows first in first out(FIFO). |
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