Compilare: 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:119:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for(int i=1;i<=lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf_Neorientat::begin_biconex()': main.cpp:153:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | for(int j=0;j<lista_fii[i].size();j++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'virtual void Graf_Neorientat::bfs(int)': main.cpp:214:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 214 | for(int i=1;i<=lista_adiacenta[front_queue].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Neorientat::dfs(int, int*)': main.cpp:235:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 235 | 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:288:5: warning: value computed is not used [-Wunused-value] 288 | *this; | ^~~~~ main.cpp:288:5: warning: statement has no effect [-Wunused-value] main.cpp:289:1: warning: no return statement in function returning non-void [-Wreturn-type] 288 | *this; +++ |+ return *this; 289 | } | ^ main.cpp: In member function 'virtual void Graf_Orientat::bfs(int)': main.cpp:359:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 359 | for(int i=1;i<=lista_adiacenta[front_queue].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Orientat::dfs(int, int*)': main.cpp:382:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 382 | for(int i=1;i<=lista_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graf_Orientat& Graf_Orientat::operator=(const Graf_Orientat&)': main.cpp:435:5: warning: value computed is not used [-Wunused-value] 435 | *this; | ^~~~~ main.cpp:435:5: warning: statement has no effect [-Wunused-value] main.cpp:436:1: warning: no return statement in function returning non-void [-Wreturn-type] 435 | *this; +++ |+ return *this; 436 | } | ^