Compilare: user.cpp: In function ‘int main()’: user.cpp:18:9: warning: unused variable ‘n’ [-Wunused-variable] int n,m,p,q,i = 1; ^ user.cpp:18:11: warning: unused variable ‘m’ [-Wunused-variable] int n,m,p,q,i = 1; ^ user.cpp:18:13: warning: unused variable ‘p’ [-Wunused-variable] int n,m,p,q,i = 1; ^ user.cpp:18:15: warning: unused variable ‘q’ [-Wunused-variable] int n,m,p,q,i = 1; ^ user.cpp:18:17: warning: unused variable ‘i’ [-Wunused-variable] int n,m,p,q,i = 1; ^