Compilare: user.cpp: In function ‘int main()’: user.cpp:38:28: warning: unused variable ‘r’ [-Wunused-variable] int p, t, dc, ds, pow, r, a, ok, poz, i; ^ user.cpp:38:31: warning: unused variable ‘a’ [-Wunused-variable] int p, t, dc, ds, pow, r, a, ok, poz, i; ^ user.cpp:38:34: warning: unused variable ‘ok’ [-Wunused-variable] int p, t, dc, ds, pow, r, a, ok, poz, i; ^