// Write a program that left rotates an array. The program inputs an integer array
// of size 10, the elements of the array and an integer k. The array must be left
// rotated k places.  Note that k can be negative, in which case, the array should
// be right rotated k time

// Author:rahule@cse.iitk.ac.in

#include<stdio.h>
main()
{
  int a[10],i,j,k,temp;
  //entering array and k
  printf("enter 10 elements :");
  for(i=0;i<10;i++)
    scanf("%d",&a[i]);
  printf("\nEnter k :");
  scanf("%d",&k);
  
  k=k%10;	//if k id greater than 10,make it less than 10
  if(k<0)	//k negative means right shift ,or left shift 10+k times
    k=10+k;
  for(i=k-1;i>=0;i--)	//loop to shift first k elements of the array to the end of the array
  {
    for(j=0;j<10-k;j++)		//loop to swap two consicutive elements in array.After each iteration,a[i] is pushed  10-k places to right
    {
      temp=a[j+i];		//swapping using temporary variable
      a[j+i]=a[j+i+1];
      a[i+j+1]=temp;
    }
  }
  printf("\n");
  for(i=0;i<10;i++)
    printf("%d  ",a[i]);
  printf("\n");
}