Compilare: main.cpp: In function 'int bellman(int)': main.cpp:73:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for (int i=0; i<G[vf.x].size(); i++) { | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void cautare_binara()': main.cpp:91:9: warning: variable 'valst' set but not used [-Wunused-but-set-variable] 91 | int valst, valdr, valmij; | ^~~~~