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Big O Notation is an informal name of the "O(x)" notation used to describe asymptotic behaviour of functions. It is a special case of Landau notation, where the O is the Greek letter capital omicron. Please consider using the [landau-notation] tag instead if your question is related to small omicron, omega, or theta in Landau notation.

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Why do hash tables have no access/indexing complexity but have $O(1)$ search complexity?

Sources: https://en.wikipedia.org/wiki/Best,_worst_and_average_case https://www.bigocheatsheet.com/ It can be seen that a Hash Table has no access/indexing complexity given the above sources. This d …
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