message: the third try to pass the windows CI
diff: @@ -170,7 +170,8 @@ const std::vector<std::vector<int>> Handshake(const std::string &filename,
  for (int i = 0; i < 3; ++i)
  {
  - MPI_Bcast(ret[i].data(), ret[i].size(), MPI_INT, 0, localComm);
  + MPI_Bcast(ret[i].data(), static_cast<int>(ret[i].size()), MPI_INT, 0,
  + localComm);
  }
  return ret;
  