Compilare: main.cpp: In member function 'bool Graph::is_correct_graph(std::vector<int>)': main.cpp:68:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | if(v>grade.size()) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Undirected::criticalConnections(std::vector<std::vector<int> >&)': main.cpp:231:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 231 | for(int i = 0; i < connections.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:243:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 243 | for(int i=0;i<output.size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Directed::findCTC()': main.cpp:358:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 358 | for(int i=0;i<sol.size();i++) | ~^~~~~~~~~~~ main.cpp:360:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 360 | for(int j=0;j<sol[i].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Undirected::dfs(int, int*)': main.cpp:251:22: warning: array subscript start is outside array bounds of 'std::vector<int> [0]' [-Warray-bounds] 251 | for(auto i:la[start]) | ~~~~~~~~^ main.cpp:57:17: note: while referencing 'Graph::la' 57 | vector<int> la[0]; //lista de adiacenta; | ^~ main.cpp: In member function 'void Directed::reverse()': main.cpp:370:23: warning: array subscript <unknown> is outside array bounds of 'std::vector<int> [0]' [-Warray-bounds] 370 | for(int j:la[i]) | ~~~~^ main.cpp:57:17: note: while referencing 'Graph::la' 57 | vector<int> la[0]; //lista de adiacenta; | ^~ main.cpp: In member function 'virtual void Directed::add_muchie(int, int)': main.cpp:398:20: warning: array subscript x is outside array bounds of 'std::vector<int> [0]' [-Warray-bounds] 398 | la[x].push_back(y); | ~~~~~~~~~~~~~~~^~~ main.cpp:57:17: note: while referencing 'Graph::la' 57 | vector<int> la[0]; //lista de adiacenta; | ^~ main.cpp:398:9: warning: array subscript x is outside array bounds of 'std::vector<int> [0]' [-Warray-bounds] 398 | la[x].push_back(y); | ~~~~^ main.cpp:57:17: note: while referencing 'Graph::la' 57 | vector<int> la[0]; //lista de adiacenta; | ^~ main.cpp:398:9: warning: array subscript x is outside array bounds of 'std::vector<int> [0]' [-Warray-bounds] 398 | la[x].push_back(y); | ~~~~^ main.cpp:57:17: note: while referencing 'Graph::la' 57 | vector<int> la[0]; //lista de adiacenta;