// Thomas Bridge txb07u


import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.*;

public class Room{
	
	HashSet<Integer> duration;	
	ReentrantReadWriteLock rwl = new ReentrantReadWriteLock();
	
	public Room(){duration = new HashSet<Integer>();}
	
	public boolean compare(int[] days){
	
		for(int i =0;i<days.length;i++){
			if(duration.contains(new Integer(days[i]))){return true;}
		}
		return false;
	}
	
	public void rmv(int[] NumDays){
		
		for(int i =0;i<NumDays.length;i++){	
			duration.remove(new Integer(NumDays[i]));
		}
	}
	
	public void addVector(int[] days){
		
		for(int i=0;i<days.length;i++){
			duration.add(new Integer(days[i]));
		}	
	}
}