Compilare: user.cpp: In function ‘long long unsigned int Calcul(int, int, long long int)’: user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p <= N / x) ^ user.cpp: In function ‘bool CautBinar(long long int, int)’: user.cpp:51:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nr==N) ^ user.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nr<N) ^ user.cpp: In function ‘int main()’: user.cpp:67:24: warning: unused variable ‘nr’ [-Wunused-variable] unsigned long long nr; ^