#33 Search in Rotated Sorted
Problem Statement
You are given an integer array nums sorted in ascending order, which is rotated at an unknown pivot. The array might contain distinct values.
Write a function to search for a given target value. If the target exists, return its index; otherwise, return -1.
You must write an algorithm with 𝑂(log𝑛)
O(logn) runtime complexity.
Approach (Binary Search)
Use binary search to handle the rotation efficiently.
Compare mid-point with the left and right bounds to determine which part of the array is sorted.
Narrow down the search range based on the sorted part.
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