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GATE 2026 · CS1 - Forenoon
AlgorithmsGraph AlgorithmshardMSQ2 marks
An undirected, unweighted, simple graph G(V,E) is said to be 2-colorable if there exists a function c: V → {0,1} such that for every (u,v) in E, c(u) ≠ c(v). Which of the following statements about 2-colorable graphs is/are true?

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