Compilare: main.cpp:195: warning: ignoring '#pragma region Utility' [-Wunknown-pragmas] 195 | #pragma region Utility | main.cpp:253: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 253 | #pragma endregion | main.cpp:256: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 256 | #pragma region Homework1_private | main.cpp:408: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 408 | #pragma endregion | main.cpp:410: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 410 | #pragma region Homework1_solutions | main.cpp:562: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 562 | #pragma endregion | main.cpp:566: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 566 | #pragma region Homework2 | main.cpp:669: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 669 | #pragma endregion | main.cpp:671: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 671 | #pragma region Homework2_solve | main.cpp:721: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 721 | #pragma endregion | main.cpp:833: warning: ignoring '#pragma region Homework4' [-Wunknown-pragmas] 833 | #pragma region Homework4 | main.cpp:892: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 892 | #pragma endregion | main.cpp: In function 'int main()': main.cpp:188:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 188 | for(int i = 0;i<x.size()-1;i++) | ~^~~~~~~~~~~ main.cpp: In function 'bool solve_havel_hakimi(std::vector<int>)': main.cpp:546:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 546 | if(current > degrees.size()) | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:732:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 732 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ 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<distances2.size();i++)