Explain the concept of hash table resizing and its importance in maintaining performance.
- Hash table resizing involves increasing or decreasing the size of the hash table and is crucial for maintaining performance.
- Hash table resizing is done to reduce memory usage.
- Hash table resizing is not necessary for performance.
- Hash table resizing is only done when the load factor is 1.
Hash table resizing is essential to maintain a low load factor, ensuring efficient performance. When the load factor is too high, resizing involves creating a larger table and rehashing existing elements to distribute them more evenly, preventing excessive collisions. Conversely, when the load factor is too low, resizing to a smaller table can conserve memory.
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