In file included from /in/driver/main.cpp:1:0:
/in/shortestP2P.hpp: In member function 'void ShortestP2P::readGraph()':
/in/shortestP2P.hpp:64:24: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
     for ( int i = 0; i < node * node; ++ i ) {
                      ~~^~~~~~~~~~~~~
/in/shortestP2P.hpp: In member function 'void ShortestP2P::ShortestPathMatrix(int)':
/in/shortestP2P.hpp:96:40: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
         for (unsigned int row = 0; row < size; ++ row ) {
                                    ~~~~^~~~~~
/in/shortestP2P.hpp:98:50: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
             for (unsigned int column = 0; column < size; ++ column ) {
                                           ~~~~~~~^~~~~~
cc1plus: all warnings being treated as errors