The Standard Template Library (STL) supports container classes that help with applications that require frequent and quick searches.
This lesson covers
■ How STL map and multimap, unordered_map, and unordered_multimap containers can be of use to you
■ Inserting, removing, and searching for elements
■ Supplying a custom sort predicate
■ Basics of how hash tables work
An Introduction to STL Map Classes
map and multimap are key/value pair containers that allow for lookups on the basis of keys, as shown in Figure 20.1.
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