static int truckTour(int[][] petrolpumps) {
        ArrayBlockingQueue <Integer> amount=new ArrayBlockingQueue<>(petrolpumps.length);
        ArrayBlockingQueue <Integer> dist=new ArrayBlockingQueue<>(petrolpumps.length);
        ArrayBlockingQueue <Integer> indexs=new ArrayBlockingQueue<>(petrolpumps.length);
        fill(petrolpumps,amount,dist,indexs);
        int minIndex=dist.size();
            for (int i = 0; i < amount.size(); i++) {
                int remainpetrol=0;
                amount.add(amount.poll());
                dist.add(dist.poll());
                indexs.add(indexs.poll());
                Object a[] =  amount.toArray();
                Object b[] =  dist.toArray();
                boolean state = true;
                for (int j = 0; j < a.length && state; j++) {
                    remainpetrol+=(Integer) a[i] - (Integer) b[i];
                    if (remainpetrol >= 0) state = true;
                    else
                        state = false;
                }
                if (state && indexs.peek() <= minIndex) {
                    minIndex = indexs.peek();
                    System.out.println("min index is "+minIndex);
                }
        }
        return minIndex;
    }