Compilare: main.cpp: In member function 'bool Graf::HavelHakimi()': main.cpp:196:26: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | if (grade[0] > grade.size() - 1) main.cpp: In function 'int main()': main.cpp:460:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 460 | for (int i = 2; i < DJK.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:390:15: warning: unused variable 's' [-Wunused-variable] 390 | int n, m, s; | ^