Compilare: user.cpp: In function ‘int main()’: user.cpp:9:9: warning: unused variable ‘n’ [-Wunused-variable] int n=0,j,i,k,s,p,q=0,cp; ^ user.cpp:9:13: warning: unused variable ‘j’ [-Wunused-variable] int n=0,j,i,k,s,p,q=0,cp; ^ user.cpp:9:15: warning: unused variable ‘i’ [-Wunused-variable] int n=0,j,i,k,s,p,q=0,cp; ^ user.cpp:9:19: warning: unused variable ‘s’ [-Wunused-variable] int n=0,j,i,k,s,p,q=0,cp; ^