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:243: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 243 | #pragma endregion | main.cpp: In member function 'void Graph::solve_biconnected()': main.cpp:224:44: warning: left operand of comma operator has no effect [-Wunused-value] 224 | vector<Tracker> tracker(vertices + 1, (0, 0)); | ^