/in/foo.cc: In function 'void Dijkstra(int)':
/in/foo.cc:109:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edgenode>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |         for (int z = 0; z < edge[x.dot].size(); z++)
      |                         ~~^~~~~~~~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:142:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  142 |     for (int i = 0; i < strlen(str); i++)
      |                     ~~^~~~~~~~~~~~~