How Many Times Can You Halve a Million? O(log n)

Find one song among a million sorted titles in about 20 looks instead of a million, and name the growth rate that makes it possible: O(log n), logarithmic time.

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Cheat sheet: How Many Times Can You Halve a Million? O(log n)
Category
Data Structures
Level
Novice
Tags
Big-O Notation, Logarithm, Logarithmic Time, software-development