Compilare: main.cpp:195: warning: ignoring '#pragma region Utility' [-Wunknown-pragmas] 195 | #pragma region Utility | main.cpp:259: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 259 | #pragma endregion | main.cpp:262: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 262 | #pragma region Homework1_private | main.cpp:415: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 415 | #pragma endregion | main.cpp:418: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 418 | #pragma region Homework1_solutions | main.cpp:570: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 570 | #pragma endregion | main.cpp:574: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 574 | #pragma region Homework2 | main.cpp:677: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 677 | #pragma endregion | main.cpp:679: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 679 | #pragma region Homework2_solve | main.cpp:729: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 729 | #pragma endregion | main.cpp:849: warning: ignoring '#pragma region Homework4' [-Wunknown-pragmas] 849 | #pragma region Homework4 | main.cpp:934: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 934 | #pragma endregion | main.cpp: In function 'bool solve_havel_hakimi(std::vector<int>)': main.cpp:554:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 554 | if(current > degrees.size()) | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:740:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 740 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:748:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 748 | for(int i = 0;i<distances2.size();i++) | ~^~~~~~~~~~~~~~~~~~