public static List getTestCase() {
        List<int[]> testCase = new ArrayList<>();
        int[] tc;
        int count = 10;
        int maxSize = 100;
        for (int i = 0; i < count; i++) {
            Random r = new Random();
            int size = r.nextInt(maxSize);
            tc = new int[size];
            for (int j = 0; j < size; j++) {
                tc[j] = r.nextInt(2);
            }
            testCase.add(tc);
        }
        
        return testCase;
    }