Compilare: main.cpp:184: warning: ignoring '#pragma region utilities' [-Wunknown-pragmas] 184 | #pragma region utilities | main.cpp:237: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 237 | #pragma endregion | main.cpp:240: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 240 | #pragma region Homework1_private | main.cpp:393: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 393 | #pragma endregion | main.cpp:395: warning: ignoring '#pragma region Homework1_solutions' [-Wunknown-pragmas] 395 | #pragma region Homework1_solutions | main.cpp:498: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 498 | #pragma endregion | main.cpp:502: warning: ignoring '#pragma region Homework2' [-Wunknown-pragmas] 502 | #pragma region Homework2 | main.cpp:605: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 605 | #pragma endregion | main.cpp:607: warning: ignoring '#pragma region Homework2_solve' [-Wunknown-pragmas] 607 | #pragma region Homework2_solve | main.cpp:657: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 657 | #pragma endregion | main.cpp: In member function 'int Graph::solve_tree_diameter()': main.cpp:668:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 668 | for(int i = 0;i<distances1.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:676:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 676 | for(int i = 0;i<distances2.size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::MAXFLOW(int, int, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<bool>&)': main.cpp:696:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 696 | for(int i = 1;i<visited.size();i++){ | ~^~~~~~~~~~~~~~~