Topological sort
Medium Accuracy: 40.0% Submissions: 72131 Points: 4

Given a Directed Acyclic Graph (DAG) with V vertices and E edges, Find any Topological Sorting of that Graph.


Example 1:

Input:

Output:
1
Explanation:
The output 1 denotes that the order is
valid. So, if you have, implemented
your function correctly, then output
would be 1 for all test cases.
One possible Topological order for the
graph is 3, 2, 1, 0.

Example 2:

Input:

Output:
1
Explanation:
The output 1 denotes that the order is
valid. So, if you have, implemented
your function correctly, then output
would be 1 for all test cases.
One possible Topological order for the
graph is 5, 4, 2, 1, 3, 0.


Your Task:
You don't need to read input or print anything. Your task is to complete the function topoSort() 
which takes the integer V denoting the number of vertices and adjacency list as input parameters and returns an array consisting of a the vertices in Topological order. As there are multiple Topological orders possible, you may return any of them. If your returned topo sort is correct then console output will be 1 else 0.


Expected Time Complexity: O(V + E).
Expected Auxiliary Space: O(V).


Constraints:
2
V 104
1
E (N*(N-1))/2

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Topological sort

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