text: /**
   * @file ch7_strongly_connected.cpp
   *
   * @copyright SPDX-FileCopyrightText: 2022 Battelle Memorial Institute
   * @copyright SPDX-FileCopyrightText: 2022 University of Washington
   *
   * SPDX-License-Identifier: BSD-3-Clause
   *
   * @authors
   *   Andrew Lumsdaine
   *
   */