Compilare: user.cpp: In function ‘long int NrTran(long int, std::vector<long int>&)’: user.cpp:12:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < n ) ^ user.cpp: In function ‘int main()’: user.cpp:65:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( size_t i = 0; i < n; i++ ) ^ user.cpp: In function ‘long int Bsearch(long int, long int, std::vector<long int>&, long int)’: user.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type] } ^