STL std::multiset (And how to compare non-trivial types) | Modern Cpp Series Ep. 123

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►Lesson Description: In this lesson I give you an introduction to the std::multiset data structure which is an ordered data structure like the set, but it allows for duplicate elements. This data structure typically uses a red-black tree for logarithmic time operations for lookup, insertion, and removal. I'll spend some time also showing how to implement a custom comparison using less than operator overloading and a functor for a less trivial data type.

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