10

#include <stdio.h>

void Rrotate(int arr[], int n);

void Lrotate(int arr[], int n);

int main()

{

    int arr[] = {1, 2, 3, 4, 5}, i,choice;

    int n = sizeof(arr)/sizeof(arr[0]);

    printf("1:Right\n 2:Left \n Enter a Choice:");

    scanf("%d",&choice);

    printf("Given array is\n");

    for (i = 0; i < n; i++)

    {

        printf("%d ", arr[i]);

    }

    if(choice==1)

    {

       printf("\n Right rotation");

        Rrotate(arr, n);

    }

    else

    {

        printf("\n\n Left rotation");

        Lrotate(arr, n);

    }

    printf("\nRotated array is\n");

    for (i = 0; i < n; i++)

        printf("%d ", arr[i]);

    return 0;

}

void Rrotate(int arr[], int n)

{

   int x = arr[n-1], i;

   for (i = n-1; i > 0; i--)

      arr[i] = arr[i-1];

   arr[0] = x;

}

void Lrotate(int arr[], int n)

{

   int x = arr[0], i;

   for (i = 0; i < n-1; i++)

   {

            arr[i] = arr[i+1];

   }

   arr[n-1] = x;

}