Medium · Binary Search

Search in Rotated Sorted Array

Given an array of distinct integers that was sorted in ascending order and then rotated at an unknown pivot, and a target value, return the index of the target, or -1 if it is not in the array.

Examples

Example 1

[4,5,6,7,0,1,2], t=0

Output: index 4

Example 2

[4,5,6,7,0,1,2], t=3

Output: -1 (absent)

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