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:215:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 215 | for(int i=1;i<=lista_adiacenta[front_queue].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Neorientat::dfs(int, int*)': main.cpp:236:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 236 | 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:289:5: warning: value computed is not used [-Wunused-value] 289 | *this; | ^~~~~ main.cpp:289:5: warning: statement has no effect [-Wunused-value] main.cpp:290:1: warning: no return statement in function returning non-void [-Wreturn-type] 289 | *this; +++ |+ return *this; 290 | } | ^ main.cpp: In member function 'virtual void Graf_Orientat::bfs(int)': main.cpp:360:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 360 | for(int i=1;i<=lista_adiacenta[front_queue].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf_Orientat::dfs(int, int*)': main.cpp:383:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 383 | 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:436:5: warning: value computed is not used [-Wunused-value] 436 | *this; | ^~~~~ main.cpp:436:5: warning: statement has no effect [-Wunused-value] main.cpp:437:1: warning: no return statement in function returning non-void [-Wreturn-type] 436 | *this; +++ |+ return *this; 437 | } | ^