toArray method

List<int> toArray()

Builds the final array from the difference array (prefix sum).

Implementation

List<int> toArray() {
  final List<int> out = List<int>.filled(_d.length - 1, 0);
  int s = 0;
  for (int i = 0; i < out.length; i++) {
    s += _d[i];
    out[i] = s;
  }
  return out;
}