public static long arrayManipulation(int n, List<List<Integer>> queries) {
        // Write your code here
        long max = Long.MIN_VALUE;
        long currentValue = 0L;

        long[] list = new long[n];

        for (List<Integer> e : queries) {
            final int firstIndex = e.get(0) - 1;
            final int secondIndex = e.get(1) - 1;
            final int value = e.get(2);
            list[firstIndex] += value;

            if (secondIndex + 1 < list.length) {
                list[secondIndex + 1] -= value;
            }
        }

        for (Long i : list) {
            currentValue += i;
            if (currentValue > max) {
                max = currentValue;
            }
        }
        return max;
    }