Compilare: main.cpp: In constructor 'Graf::Graf(int, std::vector<std::vector<int> >)': main.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for( int i = 0; i < lista_vecini1.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In copy constructor 'Graf::Graf(const Graf&)': main.cpp:67:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graf& Graf::operator=(Graf&)': main.cpp:74:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graf&)': main.cpp:83:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:84:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for( int j = 0; j < ob.lista_vecini[i].size(); j++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:120:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for( int i = 0; i < lista_vecini[u].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::vizitat(std::vector<int>&, std::vector<int>&, std::vector<int>&, int&, int&)': main.cpp:155:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 155 | for( int i = 0; i < lista_vecini[u].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_bi(int, int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::deque<int>&, std::vector<std::vector<int> >&)': main.cpp:174:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for( int i = 0; i < lista_vecini[k].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::strongconnect(int, int&, std::vector<int>&, std::vector<int>&, std::vector<bool>&, std::deque<int>&, std::vector<std::vector<int> >&)': main.cpp:225:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 225 | for( int i = 0; i < lista_vecini[v].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::ctc()': main.cpp:273:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for( int i = 0; i < componente.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:275:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 275 | for( int j = 0; j < componente[i].size(); j++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::sortaret()': main.cpp:287:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 287 | for( int i = 0; i <= lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:291:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 291 | for( int i = 0; i < lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:292:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]