Array-6 | 136. Single Number | 🔥 Beginner, Medium & Advanced Level! #easy

SHEET LINK: https://app.nextgen-cto.in/login JOIN MY WHATSAPP COMMUNITY FOR UPDATES: https://chat.whatsapp.com/BTlYJt2pCxj... Support me 🙌🏻: https://www.buymeacoffee.com/anuj.bar... Leetcode: https://leetcode.com/problems/single-... Github Repo: https://github.com/team-codebug/leetcode Notes: https://github.com/team-codebug/leetc... 3 Months DSA for Placements! 🚀 Beginner to Advanced Playlist 🔍 Leetcode 136: Single Number - Explained with Map & XOR Approaches! 🔍 🚀 In this video, we tackle the Single Number problem from Leetcode (#136) and explore two effective solutions: ✅ Map (HashMap) Approach – Using extra space to track occurrences in O(n) time. ✅ XOR Approach – An optimized bitwise trick that solves the problem in O(n) time and O(1) space. 📌 What You’ll Learn: ✔️ Problem statement & real-world analogy ✔️ Step-by-step coding walkthrough ✔️ Time & space complexity analysis ✔️ Why XOR works like magic for this problem 📢 Subscribe for more coding solutions & DSA tips! 💬 Got questions? Drop a comment below, and let’s discuss! 🚀 🔖 Hashtags: #Leetcode #CodingInterview #DataStructures #Algorithms #Leetcode136 #Python #Java #CPlusPlus #BitManipulation #DSA #SoftwareEngineering #CodingChallenge #InterviewPreparation #Programming =========================== ➡️ Connect with me: LinkedIn :   / anuj-kumar-9a188968   Instagram :   / mr.anuj.brandy   Discord :   / discord   ===========================