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GATE CS 2018 - Algorithms Quiz 1 (Analysis of algorithms)
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Question 1
The recurrence equation
T (1) = 1
T (n) = 2T (n–1) + n, n ≥ 2
evaluates to
Question 2
Consider the following functions:
f(n)=2n
g(n)=n!
h(n)=nlogn
Which of the following statements about the asymptotic behaviour of f(n), g(n), and h(n) is true?
Question 3
The running time of the following algorithm
Procedure A(n)
If n<=2 return (1) else return (A(⌈√n⌉));
Is best described by
Question 4
The cube root of a natural number n is defined as the largest natural number m such that m3 ≤ n. The complexity of computing the cube root of n (n is represented in binary notation) is
Question 5
Consider the equation ∞∑i = 1 (1/i) = f(n) and the following statements:
I. f(n) = Θ(log n)
II. f(n) = O(n)
III. f(n) = Ω(n)
IV. f(n) = Ω(lg lg n)
Which among above are correct?
I. f(n) = Θ(log n)
II. f(n) = O(n)
III. f(n) = Ω(n)
IV. f(n) = Ω(lg lg n)
Which among above are correct?
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GATE & PSU CSAlgorithmsMar 25GATE & PSU CS