Untitled

import java.util.*;
  
class UserSolution {
    Map<String, List> map;
  
    void init() {
        map = new HashMap<String, List>();
    }
  
    void makeList(char mName[], int mLength, int mListValue[]) {
        List list = new List();
        list.origin = Arrays.copyOf(mListValue, mLength);
        map.put(toStr(mName), list);
    }
  
    void copyList(char mDest[], char mSrc[], boolean mCopy) {
        List src = map.get(toStr(mSrc));
        if (!mCopy)
            map.put(toStr(mDest), src);
        else {
            List list = new List();
            list.origin = src.origin;
            list.updated.putAll(src.updated);
            list.isCopy = src.isCopy = true;
            map.put(toStr(mDest), list);
        }
    }
  
    void updateElement(char mName[], int mIndex, int mValue) {
        List list = map.get(toStr(mName));
        if (list.isCopy)
            list.updated.put(mIndex, mValue);
        else
            list.origin[mIndex] = mValue;
    }
  
    int element(char mName[], int mIndex) {
        List list = map.get(toStr(mName));
        if (list.updated.get(mIndex) != null)
            return list.updated.get(mIndex);
        return list.origin[mIndex];
    }
  
    String toStr(char s[]) {
        int n = -1;
        while (s[++n] != 0);
        return new String(s, 0, n);
    }
}
  
class List {
    int origin[];
    Map<Integer, Integer> updated = new HashMap<>(); 
    boolean isCopy;
}