What are hash tables and how do they perform in C++11?
An example of an AI chatbot conversation about hash tables and their performance in C++11.
What are hash tables and how do they work in C++11?
Hash tables are data structures that store key-value pairs. In C++11, they are implemented using the unordered_map class.
What are the performance benefits of using hash tables?
Hash tables offer average-case constant time complexity O(1) for insertions, deletions, and lookups, making them very efficient.
Are there any drawbacks to using hash tables?
Yes, hash tables can have issues with collisions, which can degrade performance. Additionally, they require more memory than some other data structures.
How do I handle collisions in a hash table?
Collisions can be handled using techniques like chaining (linking entries) or open addressing (finding another slot).
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