import java.util.Scanner;

public class Swap_RotateArrayElements {

static void display(int a[]){

for(int i=0; i<a.length; i++){

System.out.print(a[i] + " ");

}

System.out.println();

}

static void swap(int a[], int i, int j){

int temp= a[i];

a[i]= a[j];

a[j]= temp;

display(a);

}

static void rotateElements(int a[]){

Scanner sc= new Scanner(System.in);

System.out.print("Enter elements to rotate: ");

int rotate= sc.nextInt();

//LOOP FOR NO. OF TIMES OF ROTATION/SWAP OF ARRAY ELEMENTS

for(int i=0; i<rotate; i++){

System.out.print("Rotation " + (i+1) + ": ");

swap(a, i, (a.length-1)-i);

}

}

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

//ARRAY SIZE AND ELEMENTS INPUT

System.out.print("Enter size of array: ");

int size= sc.nextInt();

int arr[]= new int[size];

System.out.print("Enter " + size + " numbers: ");

for(int i=0; i<size; i++){

arr[i]= sc.nextInt();

}

System.out.print("Original array: ");

display(arr);

rotateElements(arr);

}

}

/*user input :

3

1 2 3 4 5 6 7 8 9 10

output :10 9 8 4 5 6 7 3 2 1

every rotation :first rotate

second time rotation

third time rotation */