Compilare: user.cpp: In function ‘int main()’: user.cpp:34:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (nc==k) ^ user.cpp:35:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1, p=1;i<=k;i++) ^ user.cpp:14:26: warning: unused variable ‘s’ [-Wunused-variable] unsigned long int t, k, s, p; ^ user.cpp: In function ‘void modul()’: user.cpp:56:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (rest!=0) ^