How does the performance of hash tables in C++ compare to other data structures?
Hash tables in C++ offer average O(1) time complexity for insertions, deletions, and lookups, making them very efficient.
What factors can affect the performance of a hash table?
Factors include the quality of the hash function, load factor, and collision resolution strategy used.
Can you explain what a load factor is?
The load factor is the ratio of the number of elements to the number of buckets in the hash table, influencing performance.
How do hash tables handle collisions?
Collisions can be handled using methods like chaining or open addressing, each with its own trade-offs.
When should I choose a hash table over other data structures?
Choose a hash table when you need fast access and retrieval, especially for large datasets with unique keys.
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