🧠 Leetcode 540 - Single Element in a Sorted Array | Binary Search Trick | Google Interview Prep

✅ In this video, we solve Leetcode 540: Single Element in a Sorted Array — a smart binary search problem where every element appears twice except one.

🔥 Problem Type: Binary Search / Arrays
📌 Difficulty: Medium
👨‍💻 Covered:
- Brute-force and linear scan approach
- XOR technique overview
- Optimized binary search using index parity
- How to find the unique element in O(log n) time

📘 Problem Link: https://leetcode.com/problems/single-element-in-a-sorted-array/

💡 This problem is a favorite at Google and Bloomberg. It tests your ability to adapt binary search patterns beyond just finding elements.
#leetcode #binarysearch #singleelement #google #interviewprep

Видео 🧠 Leetcode 540 - Single Element in a Sorted Array | Binary Search Trick | Google Interview Prep канала CrackCodeLogic