Compilare: main.cpp: In member function 'void Graf::out()': main.cpp:31:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int j = 0 ; j < lista[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bfs(int)': main.cpp:76:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int index = 0; index < lista[nod].size(); index++) | ~~~~~~^~~~~~~~~~~~~~~~~~~