Compilare: main.cpp: In member function 'bool graf::Havel_Hakimi(std::vector<int>, int)': main.cpp:298:21: 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] 298 | if(grade[0] > grade.size() - 1) // daca gradul este mai mare decat (nr de noduri curente - 1 => NU se poate forma main.cpp: In member function 'bool graf::Bellman_Ford(int, std::vector<int>&)': main.cpp:560:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 560 | for(int i = 0; i < muchii[nod_curent].size(); ++i) // parcurgem nodurile adiacente cu nodul curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:795:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 795 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:797:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 797 | for (int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::Havel_Hakimi(std::vector<int>, int)': main.cpp:311:1: warning: control reaches end of non-void function [-Wreturn-type] 311 | } | ^