23 TopologicalSort using DFS | Graph
Code and explanation: https://www.patreon.com/posts/23-usin...
Given an adjacency list for a Directed Acyclic Graph (DAG) where adj[u] contains a list of all vertices v such that there exists a directed edge u to v. Return topological sort for the given graph.
Topological sorting for Directed Acyclic Graph (DAG) is a linear ordering of vertices such that for every directed edge u to v, vertex u comes before v in the ordering.
Note: As there are multiple Topological orders possible, you may return any of them. If your returned Topological sort is correct then the output will be 1 else 0.
Examples:
Input: adj = [[], [0], [0], [0]]
Output: 1
Explanation: The output 1 denotes that the order is valid. Few valid Topological orders for the given graph are:
[3, 2, 1, 0]
[1, 2, 3, 0]
[2, 3, 1, 0]
Link: https://www.geeksforgeeks.org/problem...
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