Compilare: main.cpp:193: warning: ignoring '#pragma region Utility' [-Wunknown-pragmas] 193 | #pragma region Utility | main.cpp:251: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 251 | #pragma endregion | main.cpp:254: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 254 | #pragma region Homework1_private | main.cpp:406: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 406 | #pragma endregion | main.cpp:408: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 408 | #pragma region Homework1_solutions | main.cpp:560: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 560 | #pragma endregion | main.cpp:564: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 564 | #pragma region Homework2 | main.cpp:667: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 667 | #pragma endregion | main.cpp:669: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 669 | #pragma region Homework2_solve | main.cpp:719: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 719 | #pragma endregion | main.cpp:831: warning: ignoring '#pragma region Homework4' [-Wunknown-pragmas] 831 | #pragma region Homework4 | main.cpp:867: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 867 | #pragma endregion | main.cpp: In function 'int main()': main.cpp:186:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 186 | for(int i = 0;i<x.size()-1;i++) | ~^~~~~~~~~~~ main.cpp: In function 'bool solve_havel_hakimi(std::vector<int>)': main.cpp:544:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 544 | if(current > degrees.size()) | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:730:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 730 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:738:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 738 | for(int i = 0;i<distances2.size();i++)