In file included from /in/driver/main.cpp:1:0:
/in/shortestP2P.hpp:79:6: error: redefinition of 'void ShortestP2P::readGraph()'
 void ShortestP2P::readGraph() {
      ^~~~~~~~~~~
/in/shortestP2P.hpp:62:6: note: 'void ShortestP2P::readGraph()' previously defined here
 void ShortestP2P::readGraph() {
      ^~~~~~~~~~~