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  1. Prepare
  2. Data Structures
  3. Arrays
  4. Left Rotation

Left Rotation

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: