- Exercise

In this lesson, we'll solve an exercise.

We'll cover the following

Problem statement #

Use std::unordered_set instead of std::unordered_map and std::unordered_multiset instead of std::unordered_multimap in the program.

  • std::set, std::multiset, and all variations are only degenerated versions of std::map and std::multimap, missing the associated value.

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