Question: Prove that the following C4-Free Deletion problem is NP-complete. Instance: Graph G- (V, E) and positive integer k. Question: Does G contain S k vertices

Prove that the following C4-Free Deletion problem is NP-complete.

Prove that the following C4-Free Deletion problem is NP-complete. Instance: Graph G-

Instance: Graph G- (V, E) and positive integer k. Question: Does G contain S k vertices V such that G-V contains no 4-cycle as an induced subgraph? Hint: Use a reduction from VERTEX Cover by local replacement

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