class nArray {
  int[] dims;
  int[] mults;
  int[] vals;
  nArray(int ... d) {
    int sum = 1;
    int len = d.length;
    dims = new int[len];
    mults = new int[len];
    for (int i=len-1; i>=0; i--) {
      dims[i]=d[i];
      mults[i] = sum;
      sum*=d[i];
    }
    vals = new int[sum];
  }
  void set(int v, int ... d) {
    int index = 0;
    for (int i=0; i<d.length; i++) {
      //if(d[i]>=dim[i]){throw new IndexOutOfBoundsException(); / NullPointerException } ???
      index+=d[i]*mults[i];
    }
    vals[index] = v;
  }
  int get(int ... d) {
    int index = 0;
    for (int i=0; i<d.length; i++) {
      // throw exception ?
      index+=d[i]*mults[i];
    }
    return vals[index];
  }
}