This problem requires the use of a binary search algorithm to find a target value in a sorted array. If the target value is found, the index of that value is returned. If the target value is not found, -1 is returned.
The candidate's solution is complete and solves the problem. The candidate uses a binary search, which is the most efficient way to search a sorted array.
Evaluated at: 2022-10-23 23:20:47