public static List<Integer> dynamicArray(int n, List<List<Integer>> queries) {
        // Write your code here
        List<List<Integer>> arr = new ArrayList<>();
        IntStream.range(0, n).forEach(i -> arr.add(new ArrayList<>()));
        
        int lastAnswer = 0;
        List<Integer> answers = new ArrayList<>();
        for(List<Integer> query : queries){
            int queryType = query.get(0);
            int x = query.get(1);
            int y = query.get(2);
            int idx = (x ^ lastAnswer) % n;
            
            switch(queryType){
                case 1:
                    arr.get(idx).add(y);
                    break;
                case 2:
                    lastAnswer = arr.get(idx).get(y % arr.get(idx).size());
                    answers.add(lastAnswer);
                    break;
            }
        }
        return answers;
    }