Compilare: user.cpp: In function 'int Bellman_Ford(int, int, long int, std::vector<std::list<arc, std::allocator<arc> >, std::allocator<std::list<arc, std::allocator<arc> > > >, int*, long long int*, std::vector<int, std::allocator<int> >)': user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp:32: warning: unused variable 'j' user.cpp: In function 'void Bellman_Ford_Ciclu(FILE*, int, int, long int, std::vector<std::list<arc, std::allocator<arc> >, std::allocator<std::list<arc, std::allocator<arc> > > >, int*, long long int*, std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::vector<int, std::allocator<int> >)': user.cpp:77: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Componente_Conexe(FILE*, int, std::vector<std::list<arc, std::allocator<arc> >, std::allocator<std::list<arc, std::allocator<arc> > > >, int*, long long int*, long int)': user.cpp:198: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:218: warning: unused variable 'nr'