Compilare: main.cpp: In function 'void deschistra()': main.cpp:50:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i = 0; i < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void flux()': main.cpp:80:9: warning: variable 'lastflux' set but not used [-Wunused-but-set-variable] 80 | int lastflux = -1; | ^~~~~~~~