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Grokking the Coding Interview Patterns in JavaScript

Find Minimum in Rotated Sorted Array

Explore how to identify the minimum element in a rotated sorted array efficiently by understanding array rotations and leveraging a logarithmic time approach. This lesson helps sharpen problem-solving skills for coding interviews by applying an optimal algorithm with constant space usage.

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Statement

You’re given a rotated sorted array, arr, of length nn, that is rotated clockwise between 11 and nn times.

For example,

  • Before rotation, arr =[1,2,3,4,5,6,7,8]= [1,2,3,4,5,6,7,8]

  • After 33 rotations, the array becomes [6,7,8,1,2,3,4,5][6,7,8,1,2,3,4,5] ...