A left rotation operation on an array of size shifts each of the array's elements unit to the left. Given an integer, , rotate the array that many steps left and return the result.
A left rotation operation on an array of size shifts each of the array's elements unit to the left. Given an integer, , rotate the array that many steps left and return the result.
Chapter8: Arrays
Section: Chapter Questions
Problem 9PE
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Question
A left rotation operation on an array of size shifts each of the array's elements unit to the left. Given an integer, , rotate the array that many steps left and return the result.
Example
After rotations, .
Function Description
Complete the rotateLeft function in the editor below.
rotateLeft has the following parameters:
- int d: the amount to rotate by
- int arr[n]: the array to rotate
Returns
- int[n]: the rotated array
Input Format
The first line contains two space-separated integers that denote , the number of integers, and , the number of left rotations to perform.
The second line contains space-separated integers that describe .
Constraints
Sample Input
5 4 1 2 3 4 5
Sample Output
5 1 2 3 4
Explanation
To perform left rotations, the array undergoes the following sequence of changes:
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