Compilare: main.cpp:160: warning: ignoring '#pragma region utilities' [-Wunknown-pragmas] 160 | #pragma region utilities | main.cpp:207: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 207 | #pragma endregion | main.cpp:210: warning: ignoring '#pragma region Homework1_private' [-Wunknown-pragmas] 210 | #pragma region Homework1_private | main.cpp:312: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 312 | #pragma endregion | main.cpp:314: warning: ignoring '#pragma region Homework2_solutions' [-Wunknown-pragmas] 314 | #pragma region Homework2_solutions | main.cpp:390: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 390 | #pragma endregion | main.cpp: In function 'int main()': main.cpp:146:18: warning: unused variable 'op' [-Wunused-variable] 146 | bool op = g.unite(x,y,parent,dimension); | ^~