Assume that a mergesort algorithm in the worst case takes 30 seconds for an…

PYQ GATE 2015

Assume that a mergesort algorithm in the worst case takes 30 seconds for an input of size 64. Which of the following most closely approximates the maximum input size of a problem that can be solved in 6 minutes?

  1. A.

    256

  2. B.

    512

  3. C.

    1024

  4. D.

    2048

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