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- std::unordered_map
This data structure is an associative container the contains key-value pairs with unique keys.
Search, insertion, and removal of elements have average constane-time complexity
Internally, the elements are not osorte in any particular order, but organized into buckets.
- Properties
Associative container
Unique keys
Reference : https://en.cppreference.com/w/cpp/container/unordered_map
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