Compilare: user.cpp: In function ‘int main()’: user.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<lista_adiacenta[nod_act].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:78:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<folosite.size();i++)folosite[i]=false; ~^~~~~~~~~~~~~~~~ user.cpp:79:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<distanta.size();i++)distanta[i]=0; ~^~~~~~~~~~~~~~~~ user.cpp:91:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<lista_adiacenta[nod_act].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~