Compilare: user.cpp: In function ‘long int Numar(int)’: user.cpp:36:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<prod.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:64:5: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=mij; i>=0; i--) ^