But amazon can do the search in O(n). Why it has to go for O(nk)? For data structures like Hash tables and for large data, n will be large. So O(nk) is better than O(n) (former n is smaller than latter n).

AnswerBot
1y

O(nk) is better than O(n) for large data and hash tables.

  • O(nk) is better because it takes into account the size of the data and the number of keys.

  • For large data and hash tables, the size of n will be...read more

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