Compilare: main.cpp: In member function 'void Graf_Neorientat::dfs_biconex_stiva(int, int*, int*, int*, std::stack<std::pair<int, int> >&, std::set<int, std::less<int> >&, int*)': main.cpp:120:22: 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=1;i<=lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:116:9: warning: unused variable 'nr_noduri2' [-Wunused-variable] 116 | int nr_noduri2 = Graf_Neorientat::get_nr_noduri(); | ^~~~~~~~~~ main.cpp: In member function 'void Graf_Neorientat::dfs_biconex(int, int*, int*, int*, int, int*, std::stack<std::pair<int, int> >&, std::unordered_map<int, std::vector<int> >&)': main.cpp:157:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int i=1;i<=lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf_Neorientat::begin_biconex()': main.cpp:192:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 192 | for(int j=0;j<lista_fii[i].size();j++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'virtual void Graf_Neorientat::bfs(int)': main.cpp:253:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 253 | for(int i=1;i<=lista_adiacenta[front_queue].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Neorientat::dfs(int, int*)': main.cpp:274:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 274 | for(int i=1;i<=lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graf_Neorientat& Graf_Neorientat::operator=(const Graf_Neorientat&)': main.cpp:328:5: warning: value computed is not used [-Wunused-value] 328 | *this; | ^~~~~ main.cpp:328:5: warning: statement has no effect [-Wunused-value] main.cpp:329:1: warning: no return statement in function returning non-void [-Wreturn-type] 328 | *this; +++ |+ return *this; 329 | } | ^ main.cpp: In member function 'void Graf_Orientat::begin_sortaret()': main.cpp:393:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 393 | for(int j=0;j<lista_adiacenta[i].size();j++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:408:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 408 | for(int i=0;i<lista_adiacenta[coada_noduri.front()].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Orientat::dfs_stiva(int, int*, std::stack<int>&)': main.cpp:426:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 426 | for(int i=0;i<lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:424:9: warning: unused variable 'numar_noduri' [-Wunused-variable] 424 | int numar_noduri = Graf_Orientat::get_nr_noduri(); | ^~~~~~~~~~~~ main.cpp: In member function 'void Graf_Orientat::dfs_tare_conex(int, int*, std::set<int, std::less<int> >&)': main.cpp:438:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 438 | for(int i=0;i<lista_adiacenta[nod].size();i++)