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 function 'int main()': main.cpp:516:11: warning: unused variable 'm' [-Wunused-variable] 516 | int n,m,s; | ^ main.cpp:516:13: warning: unused variable 's' [-Wunused-variable] 516 | int n,m,s; | ^ main.cpp:517:9: warning: unused variable 'x' [-Wunused-variable] 517 | int x,y; | ^ main.cpp:517:11: warning: unused variable 'y' [-Wunused-variable] 517 | int x,y; | ^ 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; | ^~ 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; | ^~