Compilare: main.cpp:8:0: warning: ignoring #pragma region stuff [-Wunknown-pragmas] #pragma region stuff main.cpp:23:0: warning: ignoring #pragma endregion [-Wunknown-pragmas] #pragma endregion main.cpp: In function 'int32_t main()': main.cpp:41:21: warning: unused variable 'ans' [-Wunused-variable] int a, b, i, c, d, ans = 0, j, e; ^~~ main.cpp:41:33: warning: unused variable 'e' [-Wunused-variable] int a, b, i, c, d, ans = 0, j, e; ^