Compilare: main.cpp:71: warning: ignoring '#pragma region Initialization' [-Wunknown-pragmas] 71 | #pragma region Initialization | main.cpp:108: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 108 | #pragma endregion | main.cpp:111: warning: ignoring '#pragma region Algorithms' [-Wunknown-pragmas] 111 | #pragma region Algorithms | main.cpp:186: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 186 | #pragma endregion | main.cpp:190: warning: ignoring '#pragma region Solutions' [-Wunknown-pragmas] 190 | #pragma region Solutions | main.cpp:245: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 245 | #pragma endregion | main.cpp: In member function 'void Graph::solve_biconnected()': main.cpp:239:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 239 | for (int j=0;j<biconnected_components[i].size();j++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~