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Hash table: how does a key find its slot?

YouTubeStill a Dev

Hash table: how does a key find its slot?

An array finds by index — a hash table finds by key, just as fast. A hash function turns the key into a number, then modulo → a slot. Two keys, same slot = a collision (inevitable), fixed with a chain. O(1) avg because it recalculates the spot, no search. #programming #coding #datastructures #systemdesign #computerscience #hashmap #hashtable

280 views2 weeks ago

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