Map in C++
18C++ Maps. Maps are a collection of key value pairs. Each key is mapped to a value. Keys must be unique in a map, while values do not have to be unique.
For example, a dictionary is a map (as named in Python), as the keys would be vocabulary words, and the values would be definitions/meanings.
In this video you will learn how to add and update a key value pair, iterate through the key value pairs in the map, and remove key value pairs from the map. You will also learn about the unordered_map, and multimap. A C++ map is in sorted order, whereas in other languages, a map may not be sorted.
If you need to review these topics:
Pair: • C++ Pair
Set: • C++ Set, Unordered Set, Multiset
Iterator: • C++ Iterators
Vector: • C++ Vectors and Dynamic Arrays
C++ Playlist:
• C++ Tutorial
Install C++ with VS Code:
• How to set up C++ in Visual Studio Code
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