david6p2 / Arrays-StringsAlgorithmsPresentation

The playground created to do some test with Swift Arrays and Strings and to solve a simple exercise.

Arrays-StringsAlgorithmsPresentation

The playground created to do some test with Swift Arrays and Strings and to solve a simple exercise.

The exercise is:

A left rotation operation on an array of size shifts each of the array's elements unit to the left. For example, if 2 left rotations are performed on array [1,2,3,4,5], then the array would become [3,4,5,1,2].

Given an array of n integers and a number, d, perform d left rotations on the array. Then print the updated array as a single line of space-separated integers.

Input Format

You will get the respective values of n (the number of integers), d (the number of left rotations you must perform)and the Array of n integers elements of the array's initial state.

Constraints

• 1 <= n <= 10^5
• 1 <= d <= n
• 1 <= ai <= 10^6

Output Format

Print the final state of the array after performing left rotations.

Sample Input

n=5 d=4 a= [1, 2, 3, 4, 5]

Sample Output

[5, 1, 2, 3, 4]

Explanation

When we perform d=4 left rotations, the array undergoes the following sequence of changes:

[1, 2, 3, 4, 5] -> [2, 3, 4, 5, 1] -> [3, 4, 5, 1, 2] -> [4, 5, 1, 2, 3] -> [5, 1, 2, 3, 4]

Thus, we print the array's final state, which is [5, 1, 2, 3, 4].