Multimap In C++

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In this video we will learn how to use multimap in cpp programming language, and few important points to remember are as follows :

1. Multimap is an associative container that contains a sorted list of key-value pairs,
while permitting multiple entries with the same key.
2. It store key value pair in sorted order on the basis of key (assending/decending).
3. Data structure used in multimap is not defined by standard, but red-black tree is assumed by most of the people.
4. Lookup: count, find, contains, equal_range, lower_bound, upper_bound
5. We dont have at() and [] functions to get element like we had in std::map.

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