/in/shortestP2P.cc: In member function 'void Graph::initialize(unsigned int, unsigned int)':
/in/shortestP2P.cc:7:61: error: unused parameter 'edgeNum' [-Werror=unused-parameter]
 void Graph::initialize(unsigned int vertexNum, unsigned int edgeNum) {
                                                             ^~~~~~~
cc1plus: all warnings being treated as errors