What factors affect the performance of hash tables in C++?
The performance of hash tables in C++ is influenced by factors like load factor, hash function quality, and collision resolution strategy.
Can you explain how the load factor impacts performance?
Sure! The load factor is the ratio of the number of elements to the number of buckets. A higher load factor can lead to more collisions, which degrades performance.
What are some common collision resolution strategies?
Common strategies include chaining, where each bucket points to a list of entries, and open addressing, where you find the next available bucket.
How do I choose a good hash function?
A good hash function should distribute keys uniformly across the buckets to minimize collisions. It should also be fast to compute.
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