foo.cc: In constructor ‘edgenode::edgenode(int, int, int, double, int)’:
foo.cc:28:12: warning: ‘edgenode::cost’ will be initialized after [-Wreorder]
   28 |     double cost;
      |            ^~~~
foo.cc:27:26: warning:   ‘int edgenode::next’ [-Wreorder]
   27 |     int from, to, flow,  next;
      |                          ^~~~
foo.cc:29:5: warning:   when initialized here [-Wreorder]
   29 |     edgenode(int From = 0, int To = 0, int Flow = 0, double Cost = 0.0, int Next = 0) : from(From), to(To), flow(Flow), cost(Cost), next(Next) {}
      |     ^~~~~~~~