Compilare: user.cpp: In function ‘int main()’: user.cpp:9:11: warning: unused variable ‘m’ [-Wunused-variable] int n,m,i,mx=0,mx2=0; ^ user.cpp:9:15: warning: unused variable ‘mx’ [-Wunused-variable] int n,m,i,mx=0,mx2=0; ^ user.cpp:9:20: warning: unused variable ‘mx2’ [-Wunused-variable] int n,m,i,mx=0,mx2=0; ^