Compilare: user.cpp: In function ‘int nrzero(long long unsigned int)’: user.cpp:9:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(a>=p) ^ user.cpp: In function ‘int main()’: user.cpp:43:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(rez!=-1) ^ user.cpp: In function ‘long long unsigned int cauta(long long unsigned int, long long unsigned int, long long unsigned int)’: user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^