Compilare: user.cpp: In function ‘int main()’: user.cpp:21:26: warning: variable ‘ci’ set but not used [-Wunused-but-set-variable] int n, factor=2, i=1, ci, j=1, h, p, cif, x; ^ user.cpp:21:38: warning: variable ‘p’ set but not used [-Wunused-but-set-variable] int n, factor=2, i=1, ci, j=1, h, p, cif, x; ^ user.cpp:21:41: warning: unused variable ‘cif’ [-Wunused-variable] int n, factor=2, i=1, ci, j=1, h, p, cif, x; ^