Compilare: user.cpp: In function ‘int nrcif(int)’: user.cpp:11:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:14:13: warning: unused variable ‘nr’ [-Wunused-variable] int i,x,nr,d,a,b,mm,mi; ^ user.cpp:14:16: warning: unused variable ‘d’ [-Wunused-variable] int i,x,nr,d,a,b,mm,mi; ^ user.cpp:14:22: warning: variable ‘mm’ set but not used [-Wunused-but-set-variable] int i,x,nr,d,a,b,mm,mi; ^ user.cpp:14:25: warning: variable ‘mi’ set but not used [-Wunused-but-set-variable] int i,x,nr,d,a,b,mm,mi; ^