static long arrayManipulation(int n, int[][] queries) {
        long[] array = new long[n];
        long maxElement = -2147483648;
        foreach (int[] query in queries) {
            for (int i=query[0]; i<=query[1]; i++) {
                    array[i-1] += query[2];
            }
        }
        foreach (long element in array) {
            if (element > maxElement) {
                maxElement = element;
            }
        }
        return maxElement;
    }