Map: Maps are associative container. It is also called as “key-value” pairs. When map class is used in a program, the header file “#include<map>” should be used. It does not require more memory. There are types of maps. They are: Multimap – they are associative containers. Unordered-map – they are unordered associative containers. Syntax: map<datatype, datatype> map_Name = {key, value};

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Chapter 17.4, Problem 17.20CP

Program Plan Intro

Map:

Maps are associative container. It is also called as “key-value” pairs.

When map class is used in a program, the header file “#include<map>” should be used.

It does not require more memory.

There are types of maps. They are:

Multimap – they are associative containers.

Unordered-map – they are unordered associative containers.

Syntax:

map<datatype, datatype> map_Name = {key, value};

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