Permutations (LeetCode 46) | Full solution with backtracking examples | Interview | Study Algorithms
š š Super helpful resources available here: https://nikoo28.github.io/all-my-links/ To see more videos like this, you can buy me a coffee: https://www.buymeacoffee.com/studyalg... A very famous backtracking problem. Given an array of unique elements, find all the possible permutations. This video shows how to identify the logic which creates all different permutations. Once we know how to find permutations, we can map it to the backtracking algorithmic paradigm. The concept is super simplified using diagrams and visuals of state space tree. You will also find a dry-run of the code in JAVA. The actual problem on LeetCode: https://leetcode.com/problems/permuta... Chapters: 00:00 - Intro 01:13 - Understanding the problem 02:51 - Logic to find permutations 06:43 - Using Backtracking to find permutations 11:52 - Dry-run of Code 15:36 - Final Thoughts š Links to topics I talk about in the video: Brute Force Paradigm: Ā Ā Ā ā¢Ā BruteĀ ForceĀ algorithmsĀ withĀ realĀ lifeĀ exam...Ā Ā Backtracking: Ā Ā Ā ā¢Ā BacktrackingĀ madeĀ easyĀ |Ā AlgorithmicĀ Parad...Ā Ā Similar problem (Subsets): Ā Ā Ā ā¢Ā SubsetsĀ (LeetCodeĀ 78)Ā |Ā FullĀ solutionĀ with...Ā Ā Other problems on LeetCode: Ā Ā Ā ā¢Ā LeetcodeĀ SolutionsĀ Ā š 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... š 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 š„ 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 š» Get Social š» Follow on Facebook at: Ā Ā /Ā studyalgosĀ Ā Follow on Twitter at: Ā Ā /Ā studyalgorithmsĀ Ā Follow on Tumblr at: Ā Ā /Ā studyalgosĀ Ā Subscribe to RSS feeds: https://studyalgorithms.com/feed/ Join fan mail: http://eepurl.com/g9Dadv #leetcode #backtracking #interview
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