public int findMin(int weight)
	{
		int min[] = new int[grossWeight+1];
		for(int i=0;i<=grossWeight;i++){
			min[i] = 999999;
		}
		
		if(weight==0) return 0;
		if(weight<0)  return -1;
		else
			if(min[weight]!=999999) return min[weight];
		for(int i=0;i<sort;i++){
			int temp = findMin(weight-coins[i].getWeight());
			if(temp!=-1 && temp+coins[i].getValue()<min[weight]){
				min[weight] = temp + coins[i].getValue();
			}
		}
		if(min[weight]==999999) return -1;
		else return min[weight];
	}