Compilare: main.cpp: In function 'int main()': main.cpp:66:20: warning: unused variable 'x' [-Wunused-variable] for(int i = 1, x, y; i <= T; i++) ^ main.cpp:66:23: warning: unused variable 'y' [-Wunused-variable] for(int i = 1, x, y; i <= T; i++) ^ main.cpp: In function 'int Find_Mex()': main.cpp:50:1: warning: control reaches end of non-void function [-Wreturn-type] } ^