LeetCode 217: Contains Duplicate | C# Solution | HashSet vs Sorting Approach |

📝 In this video, we'll solve the "Contains Duplicate" problem using C#. Learn multiple approaches to find duplicates in an array! #leetcode #arrays #hashset #faangprep #codinginterview 🎯 Problem Difficulty: Easy ⏱️ Time Complexity: O(n) 💾 Space Complexity: O(n) 📋 Chapters: 00:00 - Problem statement 00:39 - Using Sorted Array 01:50 - Using Hashmap 02:56 - C# Solution walk-through 🔍 Key Concepts Covered: HashSet Usage Array Sorting Duplicate Detection Space-Time Tradeoff C# Implementation 💡 We'll cover: Multiple solutions Performance comparison Memory optimization Best practices Common mistakes #datastructures #algorithms #arrays #sorting #computerscience #codingproblems #softwareengineering #beginnerproblems #amazoninterviews #microsoftinterviews #problemsolving #techinterview 🎓 Perfect for: C# developers Beginners in coding Interview preparation Algorithm basics ⭐️ Complete C# Solution: https://shortenertool-qojxs-fa.azurewebsites.net/lc217 🔗 Problem Link: https://leetcode.com/problems/contains-duplicate/ 💻 Prerequisites: Basic C# knowledge HashSet understanding Array operations #programmingcommunity #developerjourney #codingbootcamp #interviewtips #leetcodeeasy #dotnetdevelopers #csharpdev #beginnerscode ❤️ Like and Subscribe for more LeetCode solutions in C#! 💬 Questions? Drop them in comments!