How do I use std::map in C++?

Can you explain how to use std::map in C++?

Sure! std::map is a part of the C++ Standard Library and is used to store key-value pairs. It automatically sorts the keys.

What are the advantages of using std::map over std::unordered_map?

The main advantage of std::map is that it maintains order based on keys, while std::unordered_map does not. This can be useful for certain applications.

How do I insert elements into a std::map?

You can insert elements using the insert() function or the subscript operator. For example: myMap[key] = value;.

Can I have a map with custom objects as keys?

Yes, you can use custom objects as keys, but you need to define a comparison operator for those objects.