Compilare: main.cpp:192: warning: ignoring '#pragma region Utility' [-Wunknown-pragmas] 192 | #pragma region Utility | main.cpp:256: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 256 | #pragma endregion | main.cpp:259: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 259 | #pragma region Homework1_private | main.cpp:412: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 412 | #pragma endregion | main.cpp:415: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 415 | #pragma region Homework1_solutions | main.cpp:567: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 567 | #pragma endregion | main.cpp:571: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 571 | #pragma region Homework2 | main.cpp:674: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 674 | #pragma endregion | main.cpp:676: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 676 | #pragma region Homework2_solve | main.cpp:726: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 726 | #pragma endregion | main.cpp:846: warning: ignoring '#pragma region Homework4' [-Wunknown-pragmas] 846 | #pragma region Homework4 | main.cpp:931: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 931 | #pragma endregion | main.cpp: In function 'bool solve_havel_hakimi(std::vector<int>)': main.cpp:551:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 551 | if(current > degrees.size()) | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:737:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 737 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:745:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 745 | for(int i = 0;i<distances2.size();i++) | ~^~~~~~~~~~~~~~~~~~