In file included from /in/driver/main.cpp:1:0:
/in/shortestP2P.hpp: In member function 'void ShortestP2P::readGraph()':
/in/shortestP2P.hpp:64:46: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
                   for (unsigned int j = 0; j < numV; j++) {
                                            ~~^~~~~~
cc1plus: all warnings being treated as errors