public class Influence {
	public int target;
	public double influence;
	public Influence(int target, double influence) {
		this.target = target;
		this.influence = influence;
	}
	public boolean equals(Object o)	{
		if (o == null || !(o instanceof Influence))
			return false;
		return (((Influence)o).target == target); 
	}
}