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GATE 2026 · CS1 - Forenoon
AlgorithmsGraph AlgorithmshardMSQ2 marks
Let G(V,E) be a simple, undirected graph. A vertex cover of G is a subset V' subset of V such that for every (u,v) in E, u in V' or v in V'. Let the size of the smallest vertex cover in G be k. Let S be any vertex cover of size k. For a vertex v in V, which of the following constraints will always ensure that v in S ?

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