Compilare: main.cpp: In constructor 'Graf::Graf(int, std::vector<std::vector<std::pair<int, int> > >)': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for( int i = 0; i < lista_vecini1.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In copy constructor 'Graf::Graf(const Graf&)': main.cpp:65:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graf& Graf::operator=(Graf&)': main.cpp:72:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graf&)': main.cpp:81:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for( int i = 0; i < ob.lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:82:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for( int j = 0; j < ob.lista_vecini[i].size(); j++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:121:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | 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:156:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | 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:175:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | 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:226:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 226 | for( int i = 0; i < lista_vecini[v].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::sortaret()': main.cpp:280:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 280 | for( int i = 0; i <= lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:284:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 284 | for( int i = 0; i < lista_vecini.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:285:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 285 | for( int j = 0; j < lista_vecini[i].size(); j++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:301:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 301 | for( int i = 0; i < lista_vecini[nr].size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Hakimi()': main.cpp:335:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]