Compilare: main.cpp: In member function 'bool graf::Havel_Hakimi(std::vector<int>, int)': main.cpp:240:21: 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] 240 | if(grade[0] > grade.size() - 1) // daca gradul este mai mare decat nr de noduri curente - 1 => NU se poate forma main.cpp:253:1: warning: control reaches end of non-void function [-Wreturn-type] 253 | } | ^