Compilare: user.cpp: In function 'void initGraf()': user.cpp:64: warning: unused variable 'j' user.cpp: In function 'void Dijkstra()': user.cpp:235: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void freeData()': user.cpp:286: warning: unused variable 'i' user.cpp: In member function 'bool mycomparison::operator()(const Nod&, const Nod&) const': user.cpp:50: warning: control reaches end of non-void function