Compilare: main.cpp: In function 'int bellman(int)': main.cpp:78:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int i=0; i<G[vf.x].size(); i++) { | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void cautare_binara()': main.cpp:108:27: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] 108 | fout<<timp<<' '<<sol<<'\n'; | ^~~~