Method solution

test/ldsb.cpp:156–161

Return the solution as IntArgs

    }
    /// Return the solution as IntArgs
    IntArgs solution(void) {
      IntArgs a(xs.size());
      for (int i = 0 ; i < a.size() ; ++i)
        a[i] = xs[i].val();
      return a;
    }
    /// Expected solutions
    virtual IntArgs* expectedSolutions(void) { return nullptr; }
  };