Compilare: main.cpp: In function 'int main()': main.cpp:10:11: warning: unused variable 'first' [-Wunused-variable] 10 | #define x first | ^~~~~ main.cpp:99:13: note: in expansion of macro 'x' 99 | int x, y; | ^ main.cpp:11:11: warning: unused variable 'second' [-Wunused-variable] 11 | #define y second | ^~~~~~ main.cpp:99:16: note: in expansion of macro 'y' 99 | int x, y; | ^ main.cpp: In function 'int getType(int, int)': main.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type] 33 | } | ^