Algorithms | Analysis of Algorithms (Recurrences) | Question 7

The running time of the following algorithm

  Procedure A(n)  
  If n <= 2 return(1) else return A(\lceil \sqrt{n}  \rceil);

is best described by
(A) O(n)
(B) O(log n)
(C) O(1og log n)
(D) O(1)

Answer: (C)

Explanation: For explanation, please see question 5 of this post

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