What is the rehashing process in data structures?
The rehashing process involves resizing a hash table and redistributing its entries to maintain efficient access.
Why is rehashing necessary?
Rehashing is necessary to reduce collisions and improve performance when the load factor of the hash table exceeds a certain threshold.
How does the rehashing algorithm work?
The rehashing algorithm typically involves creating a new, larger array and re-inserting existing entries based on their hash values.
Can you give an example of when rehashing would occur?
Rehashing occurs when the number of elements in the hash table exceeds a predefined limit, often set as a load factor.
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