This technical problem deals with the binary search algorithm, specifically searching for a given key in a sorted array. The function should return the index of the key if it is found, or -1 if it is not found.

A.I. Evaluation of the Solution

The candidate's solution correctly implements a binary search algorithm to find the index of a given key in a sorted array. The solution is efficient and correctly returns the index of the key if it is present in the array, or -1 if it is not.

Evaluated at: 2022-11-12 04:16:15