In file included from /in/driver/main.cpp:1:0:
/in/shortestP2P.hpp: In member function 'void ShortestP2P::readGraph()':
/in/shortestP2P.hpp:102:26: error: could not convert '((ShortestP2P*)this)->ShortestP2P::floydWarshall()' from 'void' to 'bool'
         if (floydWarshall()) {
             ~~~~~~~~~~~~~^~