Question

What will be the resulting array after rotating arr[]={1, 2, 3, 4, 5} by 2?

(a) 2, 1, 3, 4, 5

(b) 3, 4, 5, 1, 2

(c) 4, 5, 1, 2, 3

(d) 1, 2, 3, 5, 4

I need to ask this question from Arrays Types topic in portion Arrays Types of Data Structures & Algorithms I

The question was posed to me in a national level competition.

Answer 1

Correct option is (b) 3, 4, 5, 1, 2

To explain: When the given array is rotated by 2 then the resulting array will be

Rotation 1: {2,3,4,5,1}

Rotation 2: {3,4,5,1,2}.

Thus, the final array is {3,4,5,1,2}.