Compilare: user.cpp: In function ‘int main()’: user.cpp:64:9: warning: unused variable ‘m’ [-Wunused-variable] int m,x,y,i; ^ user.cpp:64:11: warning: unused variable ‘x’ [-Wunused-variable] int m,x,y,i; ^ user.cpp:64:13: warning: unused variable ‘y’ [-Wunused-variable] int m,x,y,i; ^ user.cpp:64:15: warning: unused variable ‘i’ [-Wunused-variable] int m,x,y,i; ^