Compilare: user.cpp: In function ‘int main()’: user.cpp:15:21: warning: unused variable ‘x’ [-Wunused-variable] int n,ok=0,mx=0,x; ^ user.cpp:11:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok=0,mx=0,k=0,l=0,maj=0,x1=0,x; ^ user.cpp:11:14: warning: unused variable ‘mx’ [-Wunused-variable] int ok=0,mx=0,k=0,l=0,maj=0,x1=0,x; ^ user.cpp:11:33: warning: unused variable ‘x1’ [-Wunused-variable] int ok=0,mx=0,k=0,l=0,maj=0,x1=0,x; ^ user.cpp:11:38: warning: unused variable ‘x’ [-Wunused-variable] int ok=0,mx=0,k=0,l=0,maj=0,x1=0,x; ^