#include<stdio.h>
int main()
{
	int num,x[10],i;
	int traverse[10],distance=0;
	printf("enter no of cylinders in queue");
	scanf("%d",&num);
	printf("enter cylinder numbers");
	for(i=1;i<=num;i++)
	{
		scanf("%d",&x[i]);
	}
	for(i=1;i<num;i++)
	{
		traverse[i]=x[i+1]-x[i];
		if(traverse[i]<0)
		{
			traverse[i]=traverse[i]*(-1);
		}
		distance=distance+traverse[i];
	}
	printf("total distance travelled %d",distance);
}