Subsets II - LeetCode 90 | Backtracking with Duplicates in JavaScript | Day 39 скачать в хорошем качестве

Subsets II - LeetCode 90 | Backtracking with Duplicates in JavaScript | Day 39

🎯 Day 39 of My LeetCode Journey | Subsets II (LeetCode 90) In this video, I solve LeetCode Problem #90 - Subsets II in JavaScript using BACKTRACKING! Building on Day 37's Subsets, this adds the challenge of handling DUPLICATES in the input array. Learn the "skip duplicates" pattern! 🔗 Problem Link: https://leetcode.com/problems/subsets... 📌 PROBLEM DESCRIPTION: Given an integer array nums that may contain duplicates, return all possible subsets (the power set). The solution set must not contain duplicate subsets. Return the solution in any order. Example 1: Input: nums = [1,2,2] Output: [[],[1],[1,2],[1,2,2],[2],[2,2]] Example 2: Input: nums = [0] Output: [[],[0]] Example 3: Input: nums = [4,4,4,1,4] Output: [[],[1],[1,4],[1,4,4],[1,4,4,4],[1,4,4,4,4],[4],[4,4],[4,4,4],[4,4,4,4]] 💡 KEY CONCEPTS COVERED: ✅ Backtracking with Duplicates ✅ Sorting to Group Duplicates ✅ Skip Duplicate Pattern ✅ Avoiding Duplicate Subsets 📊 COMPLEXITY: • Time Complexity: O(n * 2^n) - Same as Subsets, plus O(n log n) sort • Space Complexity: O(2^n) 🎓 DIFFICULTY: Medium 🏷️ TOPICS: Array, Backtracking, Bit Manipulation 🔗 RELATED VIDEOS: • Day 37: Subsets (Foundation!) -    • Subsets - LeetCode 78 | Backtracking Expla...   🔔 SUBSCRIBE for daily LeetCode solutions in JavaScript! 👍 LIKE if you're mastering backtracking! 💬 COMMENT your favorite backtracking problem! --- 📚 MY LEETCODE JOURNEY PLAYLIST:    • Leetcode   🤝 CONNECT WITH ME: • GitHub: https://github.com/ashwinikemshetty • LinkedIn:   / ashwinikemshetty   --- #LeetCode #SubsetsII #LeetCode90 #Day39 #JavaScript #Backtracking #Duplicates #CodingInterview #FAANG #TechInterview #SoftwareEngineering #AlgorithmExplained #100DaysOfCode #JavaScriptTutorial #MediumProblem