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LeetCode 3841: Palindromic Path Queries in a Tree | Multiple Concepts Used | Java | Hard | POTD

Max Pro

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LeetCode 3841: Palindromic Path Queries in a Tree | Multiple Concepts Used | Java | Hard | POTD

16 просмотров · 4 дн. назад
Max Pro
16 подписчиков
16 просмотров · 4 дн. назад
🔥 *LeetCode Daily POTD #3841 – Palindromic Path Queries in a Tree | Java Solution* In this video, we solve **LeetCode 3841: Palindromic Path Queries in a Tree**, a Hard-level problem involving tree traversal, bit manipulation, and efficient query processing. The problem involves handling two types of queries on a tree: *Update Query:* Change the character assigned to a node. *Path Query:* Determine whether the characters on the path between two nodes can be rearranged to form a palindrome. 📌 *Concepts Used:* *Bitmask:* Represent character frequencies using bits. *Euler Tour:* Flatten the tree to support efficient subtree and path-related operations. *Binary Lifting:* Find the Lowest Common Ancestor (LCA) efficiently. *Segment Tree:* Maintain character information while processing updates and queries. 💻 *Problem:* LeetCode 3841 – Palindromic Path Queries in a Tree 🧑‍💻 *Language:* Java ⚡ *Concepts:* Bitmask, Euler Tour, Binary Lifting, Segment Tree 🎯 *Difficulty:* Hard 🔥 *Series:* Daily LeetCode POTD 🔗 *Problem Link:* https://leetcode.com/problems/palindr... Code Link:-https://leetcode.com/problems/palindr... 🎯 *Why Watch This Video?* This problem is useful for strengthening advanced DSA concepts, especially tree queries, bitmask techniques, LCA, and segment trees. It is a great challenge for competitive programming and software engineering interview preparation. If you're preparing for coding interviews or improving your problem-solving skills, this problem will help you understand how multiple advanced concepts can work together. 👍 *LIKE* the video if you find it helpful! 💬 *COMMENT* below if you have solved this problem using a different approach. 🔔 *SUBSCRIBE* for more Daily LeetCode POTD solutions and Java DSA content. #LeetCode #LeetCode3841 #PalindromicPathQueries #Java #DSA #LeetCodePOTD #Bitmask #EulerTour #BinaryLifting #SegmentTree #TreeQueries #CompetitiveProgramming #CodingInterview