Compilare: main.cpp:68: warning: ignoring '#pragma region Initialization' [-Wunknown-pragmas] 68 | #pragma region Initialization | main.cpp:104: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 104 | #pragma endregion | main.cpp:107: warning: ignoring '#pragma region Algorithms' [-Wunknown-pragmas] 107 | #pragma region Algorithms | main.cpp:214: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 214 | #pragma endregion | main.cpp:218: warning: ignoring '#pragma region Solutions' [-Wunknown-pragmas] 218 | #pragma region Solutions | main.cpp:272: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 272 | #pragma endregion | main.cpp: In member function 'void Graph::solve_biconnected()': main.cpp:253:41: warning: left operand of comma operator has no effect [-Wunused-value] 253 | vector<Tracker> tracker(vertices+1,(0,0)); | ^