What are some techniques for optimizing hash tables?
There are several techniques for optimizing hash tables, including choosing a good hash function, resizing the table, and using open addressing or chaining for collision resolution.
Can you explain how a good hash function impacts performance?
A good hash function distributes keys uniformly across the table, minimizing collisions and ensuring efficient access times.
What is the difference between open addressing and chaining?
Open addressing resolves collisions by finding another open slot in the table, while chaining uses linked lists to store multiple items at the same index.
How do I decide when to resize my hash table?
You should consider resizing your hash table when the load factor exceeds a certain threshold, typically around 0.7, to maintain performance.
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