Why are hash tables efficient?
An example of an AI chatbot conversation about the efficiency of hash tables.
Can you explain why hash tables are considered efficient in programming?
Hash tables are efficient because they provide average-case constant time complexity for lookups, insertions, and deletions.
What makes their average-case performance so good?
Their performance is largely due to the use of a hash function that maps keys to specific indices in an array, minimizing collisions.
What happens when there are collisions?
When collisions occur, hash tables use techniques like chaining or open addressing to resolve them, maintaining efficiency.
Are there any downsides to using hash tables?
Yes, hash tables can consume more memory than other data structures and their performance can degrade if the load factor is too high.
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