Compilare: user.cpp: In function ‘void cautb(int)’: user.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux<p) ^ user.cpp:29:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux==p) ^ user.cpp: In function ‘int main()’: user.cpp:47:12: warning: unused variable ‘aux’ [-Wunused-variable] int p,aux; ^ user.cpp: In function ‘void cautb(int)’: user.cpp:38:21: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(ok(m-1)==p) ^