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Single Element in a Sorted Array

Discover how to apply modified binary search to find the one unique integer in a sorted array where all other elements appear twice. This lesson helps you implement a solution with logarithmic time and constant space complexity, reinforcing your understanding of efficient search techniques in coding interviews.

Statement

You are given a sorted array of integers, nums, where all integers appear twice except for one. Your task is to find and return the single integer that appears only once.

The solution should have a time complexity of O(logn)O(\log n) or better and a space complexity of ...