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public static List<Integer> dynamicArray(int n, List<List<Integer>> queries) { List<List<Integer>> arr = new ArrayList<>(); List<Integer> answer = new ArrayList<>(); int lastAnswer = 0; for (int i = 0; i < n; i++) { arr.add(new ArrayList<Integer>()); } for (List<Integer> query : queries) { int x = query.get(1), y = query.get(2); int idx = (x ^ lastAnswer) % n; if (query.get(0) == 1){ arr.get(idx).add(y); } else { lastAnswer = arr.get(idx).get(y % arr.get(idx).size()); answer.add(lastAnswer); } } return answer; }
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Dynamic Array
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