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Topological sorting of a graph represents _______ of a graph.

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in Discrete Mathematics by (558k points)
Topological sorting of a graph represents _______ of a graph.

(a) linear probing

(b) linear ordering

(c) quadrilateral ordering

(d) insertion sorting

I got this question in an interview.

My query is from Trees in portion Trees of Discrete Mathematics

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Correct answer is (b) linear ordering

Explanation: Topological sorting for Directed Acyclic Graph (DAG) is a linear ordering of vertices such that for every directed edge uv, vertex u comes before v in the ordering. If the graph is not a DAG, topological sorting for a graph is not possible.

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