Poj Solution 1835

http://poj.org/problem?id=1835

//* @author popop0p0popo
import java.util.*;
import java.io.*;

public class Main{
    public static int x,y,z,p,h;
    public static void main(String[] args){
     Scanner scanner=new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        int n=scanner.nextInt();
        int m,s;
        String f;
        for (int i=0;i< n ;i++ ){
            m=scanner.nextInt();
            x=y=z=p=0;
            h=2;
            for (int j=0;j< m ;j++ ){
                f=scanner.next();
                s=scanner.nextInt();
                if (f.equals("forward")){
                    forward(s);
                }
                else if (f.equals("back")){
                    turnLeft();
                    turnLeft();
                    forward(s);
                }
                else if (f.equals("left")){
                    turnLeft();
                    forward(s);
                }
                else if (f.equals("right")){
                    turnLeft();
                    turnLeft();
                    turnLeft();
                    forward(s);
                }
                else if (f.equals("up")){
                    turnUp();
                    forward(s);
                }
                else if (f.equals("down")){
                    turnUp();
                    turnUp();
                    turnUp();
                    forward(s);
                }
            }
            System.out.println(x+" "+y+" "+z+" "+p);
        }
    }

    public static void turnLeft(){
        if (h==0){
            if (p==2){
                p=1;
            }
            else if (p==1){
                p=5;
            }
            else if (p==5){
                p=4;
            }
            else if (p==4){
                p=2;
            }
        }
        else if (h==3){
            if (p==2){
                p=4;
            }
            else if (p==1){
                p=2;
            }
            else if (p==5){
                p=1;
            }
            else if (p==4){
                p=5;
            }
        }
        else if (h==2){
            if (p==0){
                p=4;
            }
            else if (p==4){
                p=3;
            }
            else if (p==3){
                p=1;
            }
            else if (p==1){
                p=0;
            }
        }
        else if (h==5){
            if (p==0){
                p=1;
            }
            else if (p==4){
                p=0;
            }
            else if (p==3){
                p=4;
            }
            else if (p==1){
                p=3;
            }
        }
        else if (h==1){
            if (p==3){
                p=5;
            }
            else if (p==5){
                p=0;
            }
            else if (p==0){
                p=2;
            }
            else if (p==2){
                p=3;
            }
        }
        else if (h==4){
            if (p==3){
                p=2;
            }
            else if (p==5){
                p=3;
            }
            else if (p==0){
                p=5;
            }
            else if (p==2){
                p=0;
            }
        }
    }

    public static void turnUp(){
        int t=h;
        turnLeft();
        turnLeft();
        h=p;
        p=t;
    }

    public static void forward(int s){
        switch (p){
            case 0:
                x=x+s;
            break;
            case 1:
                y=y+s;
            break;
            case 2:
                z=z+s;
            break;
            case 3:
                x=x-s;
            break;
            case 4:
                y=y-s;
            break;
            case 5:
                z=z-s;
            break;
        
        }
    }
}