Compilare: user.cpp: In member function ‘std::pair<int, std::vector<punct> > cmap::GetCmap(int, int)’: user.cpp:79:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < utile.size(); ++i) ^ user.cpp:80:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i + 1; j < utile.size(); ++j) ^