Array-5 | 217. Contains Duplicate | 🔥 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/contain... 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 217: Contains Duplicate - Explained with Set & Sorting Approaches! 🔍 🚀 In this video, we break down the Contains Duplicate problem from Leetcode (#217) and explore two efficient solutions: ✅ Set Approach – The simplest and most intuitive way to check for duplicates in O(n) time. ✅ Sorting Approach – A clever alternative that leverages sorting to solve the problem in O(n log n) time. We'll cover: 📌 Problem statement & examples 📌 Step-by-step code walkthrough 📌 Time & space complexity analysis 📌 Edge cases and optimizations 📢 Subscribe for more coding solutions & DSA tips! 💬 Got questions? Drop a comment below, and let’s discuss! 🚀 🔖 Hashtags: #Leetcode #CodingInterview #DataStructures #Algorithms #Leetcode217 #Python #Java #CPlusPlus #CodingChallenge #SoftwareEngineering #DSA =========================== ➡️ Connect with me: LinkedIn :   / anuj-kumar-9a188968   Instagram :   / mr.anuj.brandy   Discord :   / discord   ===========================