Скачать с ютуб Find the duplicate number (LeetCode 287) | Full solution with different methods | Study Algorithms в хорошем качестве

Find the duplicate number (LeetCode 287) | Full solution with different methods | Study Algorithms

To see more videos like this, you can buy me a coffee: https://www.buymeacoffee.com/studyalg... You are given an array of integers, that have all unique values except one integer that may be duplicated more than 2 times. You just need to return this value. Seems like a very easy problem but it offers you a lot of scope. There can be several different solutions possible based upon the requirements. This video explores a brute force method, a time efficient method and a space efficient method. All along with easy to understand visuals and animations. Chapters: 00:00 - Intro 01:27 - Problem statement and description 03:26 - Brute Force approach to find the duplicate number 05:13 - Find the duplicate number using sorting 07:07 - Find the duplicate number using a HashSet 10:16 - Time and space efficient solution to find duplicate 14:14 - Dry-run of code 16:50 - Final Thoughts Actual problem on LeetCode: https://leetcode.com/problems/find-th... 📚 Links to topics I talk about in the video: Detect Cycle Start in Linked List:    • Linked List Cycle 2 (LeetCode 142) | ...   Linked List Introduction:    • Linked List Data Structure explained ...   Brute Force Method:    • Brute Force algorithms with real life...   Quick Sort:    • Quick Sort super easy explanation wit...   Time Complexity:    • Big O Notation Simplified to the MAX ...   Playlist on Linked Lists:    • Linked Lists   📘 A text based explanation is available at: https://studyalgorithms.com Code on Github: https://github.com/nikoo28/java-solut... Test-cases on Github: https://github.com/nikoo28/java-solut... 📖 Reference Books: Starting Learn to Code: https://amzn.to/36pU0JO Favorite book to understand algorithms: https://amzn.to/39w3YLS Favorite book for data structures: https://amzn.to/3oAVBTk Get started for interview preparation: https://amzn.to/39ysbkJ 🎥 My Recording Gear: Recording Light: https://amzn.to/3pAqh8O Microphone: https://amzn.to/2MCX7qU Recording Camera: https://amzn.to/3alg9Ky Tablet to sketch and draw: https://amzn.to/3pM6Bi4 Surface Pen: https://amzn.to/3pv6tTs Laptop to edit videos: https://amzn.to/2LYpMqn 💻 Get Social 💻 Follow on Facebook at:   / studyalgos   Follow on Twitter at:   / studyalgorithms   Follow on Tumblr at:   / studyalgos   Subscribe to RSS feeds: https://studyalgorithms.com/feed/ Join fan mail: http://eepurl.com/g9Dadv #leetcode #programming #linkedlists