Compilare: main.cpp:205: warning: ignoring '#pragma region Utility' [-Wunknown-pragmas] 205 | #pragma region Utility | main.cpp:269: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 269 | #pragma endregion | main.cpp:272: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 272 | #pragma region Homework1_private | main.cpp:425: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 425 | #pragma endregion | main.cpp:428: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 428 | #pragma region Homework1_solutions | main.cpp:580: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 580 | #pragma endregion | main.cpp:584: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 584 | #pragma region Homework2 | main.cpp:687: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 687 | #pragma endregion | main.cpp:689: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 689 | #pragma region Homework2_solve | main.cpp:739: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 739 | #pragma endregion | main.cpp:851: warning: ignoring '#pragma region Homework4' [-Wunknown-pragmas] 851 | #pragma region Homework4 | main.cpp:936: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 936 | #pragma endregion | main.cpp: In function 'bool solve_havel_hakimi(std::vector<int>)': main.cpp:564:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 564 | if(current > degrees.size()) | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:750:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 750 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:758:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 758 | for(int i = 0;i<distances2.size();i++) | ~^~~~~~~~~~~~~~~~~~