What are comparators in C++?

What are comparators in C++?

Comparators in C++ are functions or function objects that define a way to compare two values, typically used in sorting.

Can you give me an example of a comparator?

Sure! A simple comparator could be a function that compares two integers and returns true if the first is less than the second.

How do I use a comparator with the sort function?

You can pass your comparator function as the second argument to the std::sort function to customize the sorting order.

What about custom objects? Can I use comparators for them?

Yes, you can create comparators for custom objects by defining how to compare their attributes, like age or name.