What are some advanced techniques for using hash maps in programming?
An example of an AI chatbot conversation about advanced hash map techniques in programming.
What are some advanced techniques for using hash maps in programming?
Advanced techniques for hash maps include using custom hash functions, handling collisions with chaining or open addressing, and implementing dynamic resizing.
Can you explain how to implement a custom hash function?
Sure! A custom hash function should take an input and return an integer. It should distribute values uniformly to minimize collisions.
What are the pros and cons of chaining vs open addressing?
Chaining is easier to implement and handles collisions well, but it can use more memory. Open addressing is more memory efficient but can lead to clustering.
How do I dynamically resize a hash map?
To dynamically resize a hash map, you typically double its size when the load factor exceeds a threshold, rehashing all existing entries.
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