Find the Single Element in a Sorted Array | Binary Search Series
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Problem Link: https://leetcode.com/problems/single-...
🧩 Problem Description:
In this video, we solve a classic binary search-based problem — finding the single non-duplicate element in a sorted array.
We explore 4 different approaches, starting from the brute force solution to the most optimized binary search method.
⏱️ TimeLine:
0:34 – Approach 1: Brute Force (O(n))
3:17 – Approach 2: Using HashMap
5:53 – Approach 3: Using XOR
9:48 – Approach 4: Using Binary Search
Each step helps you understand how to move from basic logic to a fully optimized solution.
🔁 Whether you're a beginner or brushing up on recursion, this is a must-know pattern for interviews and DSA prep!
If you’re exploring more in data structures and algorithms or sharpening sorting techniques, check out these playlists for in-depth coverage:
DSA Problem-Solving Playlist: • DSA Problems
Sorting Techniques Playlist: • Sorting Series
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