import uk.ac.warwick.dcs.maze.logic.IRobot;
import java.util.*;
public class GrandFinaleShort {
  private List<Integer> headings;
  private int pollRun = 0;
  public void controlRobot(IRobot robot) {
    if (robot.getRuns() == 0) {
      if (pollRun == 0) headings = new ArrayList<Integer>();
      List<Integer> pExits = new ArrayList<Integer>();
      for (int i = IRobot.AHEAD; i <= IRobot.LEFT; i++)
    if (robot.look(i) == IRobot.PASSAGE)    pExits.add(i);
      if (pExits.size() != 0) {
    robot.face(pExits.get((int)(Math.random() * pExits.size())));
    System.out.println(robot.getHeading());
    headings.add(robot.getHeading());
      }
      else {
    if ((headings.get(headings.size() - 1) + 2 <= IRobot.WEST) && (headings.get(headings.size() - 1) + 2 >= IRobot.NORTH)) robot.setHeading(headings.get(headings.size() - 1) + 2);
    else robot.setHeading(headings.get(headings.size() - 1) - 2);
    headings.remove(headings.size() - 1);
      }
    }
    else robot.setHeading(headings.get(pollRun));
    pollRun++;
    }
  public void reset() {
    pollRun = 0;
  }
}