Challenge 6: Check If Graph is Strongly Connected

Given a graph, check whether it is strongly connected or not.

Problem Statement

Implement a function that tells us whether a graph is strongly connected or not.

A directed graph is strongly connected if there is a path between any two pair of vertices.

Input

A directed graph and its source.

Output

true if it’s a strongly connected graph, but false otherwise.

Sample Input

graph = {
    0 -> 1
    1 -> 2
    2 -> 3
    3 -> 0
    2 -> 4
    4 -> 2
}

Sample Output

true

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