Longest Path With Different Adjacent Characters - LeetCode Solution in Java | THE CODE WIZARD
Welcome to my channel.
In this video, I have solved the "Longest Path With Different Adjacent Characters" problem from LeetCode. This problem is tagged as a hard-level question on Leetcode. This problem has been asked on Daily LeetCoding Challenge on 13th January 2023 and I solved it using Java. This is the third problem of the LeetCode Problems playlist.
Problem: You are given a tree (i.e. a connected, undirected graph that has no cycles) rooted at node 0 consisting of n nodes numbered from 0 to n - 1. The tree is represented by a 0-indexed array parent of size n, where parent[i] is the parent of node i. Since node 0 is the root, parent[0] == -1.
You are also given a string s of length n, where s[i] is the character assigned to node i.
Return the length of the longest path in the tree such that no pair of adjacent nodes on the path have the same character assigned to them.
Note: This is an Undirected Graph problem, don't get confused with Tree.
To solve the problem, I have used the Depth First Search Approach (DFS).
I hope you found this video helpful! If you have any questions or suggestions, please leave them in the comments below.
Thank you for watching!😇🙏
Problem Link: https://leetcode.com/problems/longest...
Keywords relevant to this problem:
Longest Path With Different Adjacent Characters
Longest Path With Different Adjacent Characters Graph Approach
Longest Path With Different Adjacent Characters LeetCode
Depth First Search problem
Java Programming
Tree Problem on LeetCode
Graph Problem on LeetCode
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