/*
assignment #4
Dan Davis
Jan 30, 2012
csci 1111

calculates total distance traveled and distance from beginning point to end point
based on input int pairs
*/

#include <stdio.h>
#include <math.h>
#include <string.h>

int cdist(int x ,int y,int oldx ,int oldy ,int odo);

int main()
{
    int x,y,oldx,oldy,odo=0;  // (x,y) coordinates, [odo]meter - distance
    float dist;

    while(scanf("%d %d",&x,&y) != EOF)
    {
        if(odo==0)  //first values entered are stored for final dist calculation
        {
            oldx = x;
            oldy = y;
        }

        cdist(x ,y ,oldx ,oldy ,odo);
        odo++;
    }

    dist = sqrt((oldx-x)*(oldx-x)+(oldy-y)*(oldy-y));

    printf("%d %d <- Finish\n",x,y);
    printf("Total distance between successive points: %d \n",odo);
    printf("Distance between stant and finish: %f \n",dist);

    return 0;
}

int cdist(int x ,int y,int oldx ,int oldy ,int odo)
{
    char s[6];
    if(x > oldx) strcpy(s,"Right");
        else if(x < oldx) strcpy(s,"Left");
        else if(y > oldy) strcpy(s,"Up");
        else strcpy(s,"Down");

    if(odo == 0)
        printf("%d %d <- Start\n",x,y);
    else
        printf("%d %d <- Distance: %d Direction: %s \n",x,y,odo,s);
}