1
GATE CSE 2024 Set 1
MCQ (Single Correct Answer)
+2
-0.66

Consider the following recurrence relation:

$$T(n) = \begin{cases} \sqrt{n} T(\sqrt{n}) + n & \text{for } n \ge 1, \\ 1 & \text{for } n = 1. \end{cases}$$

Which one of the following options is CORRECT?

A

$$T(n) = \Theta(n \log \log n)$$

B

$$T(n) = \Theta(n \log n)$$

C

$$T(n) = \Theta(n^2 \log n)$$

D

$$T(n) = \Theta(n^2 \log \log n)$$

2
GATE CSE 2023
MCQ (More than One Correct Answer)
+2
-0.67

Consider functions Function_1 and Function_2 expressed in pseudocode as follows:

Function 1
   while n > 1 do
     for i = 1 to n do
       x = x + 1;
     end for
     n = n/2;
   end while

Function 2
  for i = 1 to 100 ∗ n do
    x = x + 1;
  end for

Let $$f_1(n)$$ and $$f_2(n)$$ denote the number of times the statement "$$x=x+1$$" is executed in Function_1 and Function_2, respectively.

Which of the following statements is/are TRUE?

A
$${f_1}(n) \in \Theta ({f_2}(n))$$
B
$${f_1}(n) \in o({f_2}(n))$$
C
$${f_1}(n) \in \omega ({f_2}(n))$$
D
$${f_1}(n) \in O(n)$$
3
GATE CSE 2022
MCQ (More than One Correct Answer)
+2
-0.67

Consider the following recurrence :

f(1) = 1;

f(2n) = 2f(n) $$-$$ 1, for n $$\ge$$ 1;

f(2n + 1) = 2f(n) + 1, for n $$\ge$$ 1;

Then, which of the following statements is/are TRUE?

A
f(2n $$-$$ 1) = 2n $$-$$ 1
B
f(2n) = 1
C
f(5 . 2n) = 2n + 1 + 1
D
f(2n + 1) = 2n + 1
4
GATE CSE 2021 Set 1
MCQ (Single Correct Answer)
+2
-0.67
Change Language

Consider the following three functions.

f1 = 10n, f2 = nlogn, f3 = n√n

Which one of the following options arranges the functions in the increasing order of asymptotic growth rate?

A
f1 , f2, f3
B
f2, f1, f3
C
f3, f2, f1
D
f2, f3, f1
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