1129. Shortest Path with Alternating Colors - LeetCode Simple Solution in Java | THE CODE WIZARD смотреть онлайн

Welcome to my channel.
In this video, I solved the "1129. Shortest Path with Alternating Colors" problem from LeetCode. This is a leetcode medium-level graph problem that was asked on Daily LeetCoding Challenge on 11th February 2023 which I solved using Java. This video contains simple java solutions to solve this "Shortest Path with Alternating Colors" LeetCode daily challenge problem in the simplest possible way.

Problem: You are given an integer n, the number of nodes in a directed graph where the nodes are labeled from 0 to n - 1. Each edge is red or blue in this graph, and there could be self-edges and parallel edges.
You are given two arrays redEdges and blueEdges where:
redEdges[i] = [ai, bi] indicates that there is a directed red edge from node ai to node bi in the graph, and
blueEdges[j] = [uj, vj] indicates that there is a directed blue edge from node uj to node vj in the graph.
Return an array answer of length n, where each answer[x] is the length of the shortest path from node 0 to node x such that the edge colors alternate along the path, or -1 if such a path does not exist.

I have shown a BFS-based approach to solving this leetcode problem of the day in the simplest possible way.

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/shortest-path-with-alternating-colors/
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Keywords relevant to this problem:
1129. Shortest Path with Alternating Colors
Shortest Path with Alternating Colors LeetCode Solution
Graph problems LeetCode
BFS problems leetcode
Java Programming

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